Advanced Research Systems

Advanced Research Systems designs and manufactures helium-free cryostats, flow cryostats, and cryogenic probe stations with temperature ranges from 1.5K to 800K for quantum research and materials science. Their probe stations feature fast vacuum pumping and sample exchange (130 minutes for 4-inch wafer), advanced probe thermalization enabling less than 5K sample temperatures, and configurations supporting magnetic fields up to 6T for quantum device testing. The company provides critical cryogenic infrastructure for quantum computing development and materials research.

Aeluma

Aeluma is a Goleta, California-based semiconductor company founded in 2019, developing quantum dot laser technology for silicon photonics applications in quantum computing and communication. The company pioneered advanced semiconductor manufacturing techniques using high-performance compound semiconductor materials on large-diameter substrates for mass-market microelectronics. Aeluma joined AIM Photonics as full industry member to accelerate quantum dot laser integration onto silicon photonics platforms using 300mm MOCVD capability. In May 2025, Aeluma and Thorlabs unveiled breakthrough large-diameter wafer manufacturing platform for quantum computing and communication, incorporating quantum dot sources and highly nonlinear electro-optic materials. The company trades on OTCQB under ticker ALMU, serving AI infrastructure, defense, aerospace, automotive, AR/VR, mobile, and quantum computing markets with photonic integrated circuit solutions.

Aeponyx

Aeponyx was a Montreal-based photonic integrated circuit (PIC) company founded in 2012, acquired by Pasqal on June 3, 2025. The company spent a decade in R&D developing its PIC platform combining Silicon Nitride (SiN) and Micro-Electro-Mechanical-Systems (MEMS) technologies, raising $22 million in venture capital. Aeponyx’s PIC platform served telecom, datacom, life science, automotive, and quantum markets with applications requiring stable, precise optical control. The acquisition by Pasqal brought Aeponyx’s 27-person team and intellectual property under CEO Philippe Babin’s continued leadership, replacing delicate optical setups with chip-scale photonic circuits dramatically increasing stability of atom control and precision of individual qubit manipulation for Pasqal’s neutral-atom quantum computers. Aeponyx strengthens Pasqal’s photonic control capabilities accelerating development of fault-tolerant quantum computing systems.

Akhetonics

Akhetonics develops integrated photonic quantum technologies and components for quantum computing, quantum communication, and quantum sensing applications, focusing on silicon photonic chips and quantum light sources to enable scalable photonic quantum systems for next-generation quantum information processing and networking applications. In November 2024, the company secured €6 million in seed funding to advance its photonic quantum technology platform and expand its capabilities in developing scalable quantum photonic components for the European quantum ecosystem.

Alea Quantum Technologies

Alea Quantum is a Danish startup founded in March 2022, developing optical quantum random number generators (QRNG) based on over 20 years of research at Technical University of Denmark’s quantum information group and bigQ research center. The company’s QRNG uses laser diodes and detectors to form random numbers through measurements of vacuum fluctuations of laser light, providing 100% genuine random numbers at 4 gigabytes per second, faster and more secure than mathematical algorithm-based systems. Alea’s technology measures 3 x 5 centimeters and has been tested by QTI (Quantum Telecommunication Italy) and Danske Bank for quantum-secured data transfer. The EU granted DKK 7 million under the Digital Europe programme for further development toward a chip-scale device integrating laser diode and detector on micrometer scale for mass market applications including mobile phones. DTU holds the patent for the technology. Alea Quantum serves cybersecurity and encryption technology vendors requiring ultra-secure random number generation.

Alice & Bob

In September 2025, Alice & Bob achieved a major breakthrough with cat qubits achieving bit-flip times exceeding one hour, a considerable improvement over the previously recorded 430 seconds (approximately seven minutes) attained in 2024 on their Boson 4 chip. At a mean photon number of 11, the team measured bit-flip times ranging from 33 to 60 minutes with 95% confidence and successfully performed a Z gate operation on the cat qubit with 94.2% fidelity in 26.5 nanoseconds. This achievement surpasses the 13-minute threshold required for the company’s early fault-tolerant quantum computer (eFTQC) roadmap slated for 2030, which aims to deliver a device with 100 logical qubits. By implementing ‘squeezing,’ Alice & Bob improved bit-flip error protection by 160 times compared to standard cat qubits on the same chip. The company also partnered with NVIDIA to build datacenters of the future with cat qubit quantum technology and collaborated with Classiq to pioneer fault-tolerant quantum computing.

Alpine Quantum Technologies

Alpine Quantum Technologies develops trapped ion quantum computers and quantum simulators based on research from the University of Innsbruck, offering cloud-accessible quantum systems through their AQT quantum cloud platform for research institutions and companies working on quantum algorithms, optimization problems, and quantum simulation applications in materials science and chemistry.

Company Information

• Founded: 2018
• Country: Austria
• Website: https://aqt.eu
• Categories: hardware, quantum algorithms, quantum chemistry, quantum cloud, quantum education, quantum materials, quantum optimization, quantum simulation, quantum software, trapped ion

Investment Information

• Status: private
• Total Raised: $23.2M
• Last Valuation: $150M

Recent Funding Rounds

• 2022-06-29: series-a - $19M - Series A funding round
• 2019-11-14: seed - $4.2M - Seed funding round

Related Companies

Explore other quantum computing companies in similar categories or regions.

Alpine Quantum Technology

In 2024-2025, the completed QCDC project led by Juris Ulmanis of Alpine Quantum Technologies now provides European researchers with access to cloud-based quantum computers for advanced calculations in fields like drug discovery and materials science. AQT, an Innsbruck-based company specializing in general-purpose ion-trap quantum computing, collaborated with teams from QC Ware (USA), Covestro (Germany), and Boehringer Ingelheim (Germany) to simulate interaction energies of intermediate states in chemical reactions. The conclusion of the QCDC project signifies substantial advancement for Europe in establishing itself as a leader in quantum computing, reinforcing Europe’s technological sovereignty by offering local access to advanced quantum computing capabilities. In December 2024, Classiq Technologies formed a strategic partnership with Alpine Quantum Technologies, integrating Classiq’s design platform for quantum algorithms with AQT’s ion trap-based quantum computers to offer a unified workflow connecting software tools with hardware capabilities.

Aluvia Photonics

Aluvia Photonics is a pioneering provider of photonic integrated circuits based on proprietary aluminium oxide (AlOx/Al2O3) material platform, founded in 2022 as a University of Twente spin-off. The technology was developed over more than a decade at the University of Twente by cofounder Prof. Sonia Garcia Blanco and her research team. Aluvia’s AlOx platform offers broad spectral range from 200 nm to mid-IR (~3 µm) covering UV, visible, and infrared applications, ultra-low propagation losses as low as ~1 dB/cm at 369 nm and ~5 dB/m at 1550 nm, and on-chip optical amplification through rare-earth ion doping (Er3+, Yb3+, Nd3+, Tm3+). Using 200mm CMOS-compatible materials, Aluvia ensures compatibility with established manufacturing infrastructure for cost-effective scalability. Applications include quantum computing (ion traps), advanced telecommunications, sensing, optical amplifiers, O-band switches, and biomedical fields. Aluvia provides turnkey solutions including multi-project wafers, dedicated runs, and custom process development.

Amazon Braket

In 2024-2025, Amazon Braket expanded significantly through partnerships and hardware additions. NVIDIA and AWS announced a collaboration to advance quantum computing research by integrating NVIDIA’s quantum-classical computing platform, NVIDIA CUDA-Q, with Amazon Braket, allowing researchers to leverage hybrid quantum-classical workflows. IQM Quantum Computers made its 20-qubit quantum processing unit, IQM Garnet, available through Amazon Braket in the AWS Europe (Stockholm) Region, marking the first quantum processing unit available to AWS customers within the European Union in a self-service, on-demand model. IonQ announced continued collaboration with AWS, making IonQ’s Forte system (delivering 36 algorithmic qubits) available on Amazon Braket. Amazon Braket continues to provide access to multiple quantum hardware providers including QuEra’s 256-qubit Aquila neutral atom system, supporting the AQC25 conference bringing together stakeholders from MIT, Yale, USC, Google Quantum AI, and others.

AmpliTech Group

AmpliTech Group, Inc. (Nasdaq: AMPG) is a designer, developer, and manufacturer of state-of-the-art signal processing components for satellite, Public and Private 5G, and quantum computing networks. In December 2024, AmpliTech announced successful development of proprietary low-noise cryogenic High Electron Mobility Transistor (HEMT) amplifiers for quantum computing, delivering working units to two Fortune 50 companies, universities, and research institutions. The amplifiers enable quantum computers to operate efficiently at extremely low temperatures of 4 Kelvin (-452°F), minimizing noise at ultra-low temperatures for accurate quantum signal detection. AmpliTech positions itself as the only high-performance U.S. manufacturer offering this critical component at 4K temperatures. The USPTO issued a Notice of Allowance for AmpliTech’s patent application related to their cryogenic quantum computing solution. The amplifiers support development of scalable, error-corrected quantum computers crucial for advancing AI capabilities.

Analog Devices

Analog Devices develops quantum control electronics and precision analog components for quantum computing applications, leveraging their expertise in high-performance analog and mixed-signal integrated circuits to create specialized electronics for quantum state control, measurement, and signal processing in quantum systems, providing essential electronic components and systems that enable precise manipulation and readout of qubits in various quantum computing platforms including superconducting, trapped ion, and photonic quantum computers.

Company Information

• Founded: 2020
• Country: United States
• Website: https://analog.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Anyon Systems

Anyon Systems specializes in quantum hardware components and integration services, providing cryogenic systems, quantum device packaging, and custom quantum hardware solutions that enable researchers and companies to build and operate quantum computing systems with focus on practical implementation and system integration.

Company Information

• Founded: 2014
• Country: Canada
• Website: https://anyonsys.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Applied Quantum Materials

Applied Quantum Materials (AQM) is an ISO 9001 certified Canadian company headquartered in Edmonton, Alberta, founded in April 2015 as a spin-out from the University of Alberta. AQM is a global leader in the design, synthesis, and manufacturing of silicon quantum dots (SiQDs), silica nanomaterials, HSQ photo resist, quantum dot sensors, nanocomposite polymers, and gold and magnetic nanoparticles. AQM’s biocompatible silicon quantum dots (2-9 nm) offer high quantum yield and robust stability as an alternative to toxic heavy-metal quantum dots. CEO David Antoniuk holds a Ph.D. in engineering physics. AQM’s materials serve Fortune 100 manufacturers of quantum computers, photonic and memory chips, sensors, and smart textiles, with applications in quantum computing, silicon photonics, quantum sensing, health sciences, display technology, and security. Sales climbed roughly 60% last fiscal year.

Aquabits

Aquabits develops scalable multiqubit trapped ion technology at a fraction of traditional costs for quantum computing. Inspired by the transport of water molecules in naturally occurring proteins called Aquaporins, Aquabits invented a novel, simple, and low-cost method to trap ions inside artificial water channels. This breakthrough method circumvents the need for bulky lasers and expensive micro-nano fabrication techniques, creating an unparalleled potential for a scalable multi-qubit system. Founded in December 2020 and spun out from the University of Waterloo’s Institute for Quantum Computing, Aquabits aims to provide affordable quantum technology for all.

Argonne National Laboratory

Argonne National Laboratory is a USA national laboratory founded July 1, 1946, located in Lemont, Illinois, operated by University of Chicago for United States Department of Energy. Argonne pursues research spanning theory, algorithms, simulations, and modeling of quantum systems leveraging supercomputing resources and multi-qubit hardware platforms. The laboratory operates quantum computing testbeds integrating quantum processors with high-performance computing infrastructure enabling hybrid quantum-classical algorithms. Argonne conducts quantum computing research across superconducting qubits, quantum algorithms, quantum networking, and quantum simulation applications. The laboratory is one of five DOE National Quantum Information Science Research Centers with over 1,500 experts collaborating across quantum research initiatives. Argonne serves scientific research community, government agencies, and industry partners requiring quantum computing applications in chemistry, materials science, optimization, and machine learning advancing quantum computational advantage for national security and energy applications.

Aselsan

Aselsan is Turkey’s leading defense electronics company headquartered in Ankara that collaboratively developed QuanT, Turkey’s first domestically produced quantum computer, with TOBB University of Economics and Technology (TOBB ETU). The 5-qubit system was unveiled on November 21, 2024, at the TOBB ETU Technology Center, marking Turkey as one of few countries with quantum computer technology. Aselsan and TOBB ETU established a quantum technologies research laboratory in 2022, supported by the Secretariat of Defence Industries (SSB). Vice President Cevdet Yılmaz described QuanT as historic for Turkey. Aselsan and TOBB ETU are establishing a Superconducting Chip Manufacturing Facility to enhance quantum computing technologies and enable domestic production of superconducting chips. QuanT operates millions of times faster than conventional computers, revolutionizing cryptography, AI, and optimization.

Atlantic Microwave

Atlantic Microwave is a British manufacturer and supplier of radio frequency (RF) and microwave components and equipment founded in 1989, located in Braintree, Essex, acquired by ETL Systems Ltd in January 2019. The company works with key players in cryogenic industry providing RF and microwave components operating down to cryogenic temperatures of 4K and below for quantum computing applications. Atlantic Microwave manufactures cryogenic low-noise amplifiers revolutionizing readout of quantum bits, operating in ultra-low temperature environments to increase signal-to-noise ratio in quantum read-out circuits. ETL Systems through Atlantic Microwave offers high-grade components for cutting-edge quantum technology research including low phase noise oscillators, multipliers, couplers, and cables designed to withstand rigorous conditions of cryostats. Atlantic Microwave serves quantum computing manufacturers, research institutions, and cryogenic equipment providers requiring RF components capable of operating at temperatures as low as 4K for quantum processor readout and control systems.

Atlantic Quantum

In October 2024, Google Quantum AI announced that the Atlantic Quantum team, an MIT-founded startup known for its tightly integrated hardware, will join Google. Atlantic Quantum brings a modular chip architecture that fuses qubits with superconducting control electronics on a single substrate, embedding control circuitry within the cold stage to eliminate bulky room-temperature wiring and reduce thermal load on the cryostat. This partnership signals a decisive step toward scaling superconducting qubit systems, a critical hurdle on the road to a fully error-corrected, real-world quantum computer. By adopting Atlantic Quantum’s stack, Google can accelerate deployment of larger qubit arrays while keeping error rates within bounds required for surface-code error correction. The acquisition enables Google to leverage Atlantic Quantum’s expertise in creating compact, high-density modules and integrating cryogenic electronics, which improves signal fidelity and allows for rapid iteration of qubit designs.

Atlas Technologies

Atlas Technologies specializes in bimetallic (dissimilar metal) joining technology for Ultra High Vacuum (UHV) and Extreme High Vacuum (XHV) applications essential for quantum computing. The company manufactures custom UHV/XHV chambers and bimetal components using proprietary techniques to bond aluminum, titanium, and other metals. Atlas vacuum chambers achieve outgassing rates below 1 x 10-13 Torr liter/sec cm² making them suitable for quantum science applications. Their products offer no magnetic impact, low hydrogen and carbon contamination, maximum thermal performance, and excellent vibration dampening. Quantum and cryogenic researchers worldwide rely on Atlas for developing chambers that meet exacting UHV/XHV criteria in quantum computing systems.

Atom Computing

In 2024-2025, Atom Computing became the first company to cross the 1,000-qubit threshold for a universal gate-based quantum system, creating a 1,225-site atomic array populated with 1,180 qubits in its next-generation neutral atom quantum computing platform. Atom Computing was recognized by Fast Company as one of the world’s most innovative companies in 2025 for its advancements in neutral atom quantum computing. In a major milestone, Microsoft and Atom Computing achieved record-breaking quantum entanglement by creating and entangling 24 logical qubits on a commercial quantum machine, and also used 28 logical qubits to perform successful computations based on the Bernstein-Vazirani algorithm, producing more accurate solutions than the corresponding computation based on physical qubits. These achievements demonstrate Atom Computing’s leadership in neutral atom technology and logical qubit operations.

AWS

Amazon Web Services (AWS) provides Amazon Braket, a fully managed quantum computing service enabling researchers and developers to explore, evaluate, and experiment with quantum computing. Launched in 2019 and generally available in 2020, Amazon Braket offers access to quantum hardware from multiple providers including Rigetti’s 84-qubit Ankaa-2 processor (integrated 2024), IonQ, D-Wave, and Oxford Quantum Circuits. Amazon Braket hybrid jobs allow developers to execute hybrid quantum-classical algorithms combining quantum and classical computing resources. The service includes quantum circuit simulators, algorithm libraries, and development tools. AWS operates quantum computing through its cloud infrastructure, enabling customers to access quantum processors without managing physical hardware. Amazon Braket serves researchers, developers, and enterprises exploring quantum applications in optimization, machine learning, and scientific simulation.

Barber-Nichols

Barber-Nichols was founded in 1966 by Bob Barber and Ken Nichols as turbomachinery engineering company located in Arvada, Colorado, a suburb of Denver. The company manufactures vacuum jacketed extended shaft pumps, circulators, blowers, and compressors for use in cryogenic systems to optimize system performance. Since 1976 when Barber-Nichols designed and manufactured its first cryogenic pump, these custom-manufactured and engineered products have served broad range of demanding and sensitive applications. Barber-Nichols cryogenic pumps are used in physics research applications including CERN ATLAS detector pumping liquid helium coolant through superconducting magnetic coils. The company provides cryogenic pumping solutions for quantum computing systems requiring liquid nitrogen and liquid helium circulation at ultra-low temperatures. Barber-Nichols serves quantum computing manufacturers, physics research facilities, and cryogenic system providers requiring specialized pumps for dilution refrigerators and quantum processor cooling infrastructure.

BBN Technologies

BBN Technologies (Raytheon BBN Technologies) is a high-technology research and development company based in Cambridge, Massachusetts, founded in 1948, conducting superconducting quantum computing research. BBN Technologies is recognized among companies conducting research in superconducting quantum computing alongside Google, IBM, Rigetti, and Intel. The organization developed quantum communication protocols and quantum networking technologies, contributing to early quantum key distribution systems and quantum network architectures. BBN Technologies, now part of Raytheon Technologies, conducts quantum computing research focused on quantum processors, quantum networking, and quantum algorithms. The company serves government agencies and research institutions requiring advanced quantum technologies for secure communications, quantum computing infrastructure, and quantum information processing applications.

Bleximo

Bleximo is a Berkeley-based quantum computing startup founded in 2017 that develops application-specific quantum accelerators using superconducting qubits, pioneering a co-design methodology that tailors quantum processors, control hardware, and algorithms to solve specific high-value problems rather than building general-purpose systems, providing enhanced performance and shorter time-to-market for applications in finance, pharmaceuticals, logistics, and advanced materials through their full-stack superconducting quantum computing platform.

Company Information

• Founded: 2017
• Country: United States
• Website: https://bleximo.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Broadcom

Broadcom develops quantum photonics components and integrated photonic solutions for quantum computing and quantum communication applications, leveraging their semiconductor and photonics expertise to create specialized components including quantum light sources, photonic integrated circuits, and optical components essential for photonic quantum systems, providing the foundational photonic infrastructure needed for scalable photonic quantum computing, quantum networking, and quantum sensing applications through advanced silicon photonics technology.

Company Information

• Founded: 2021
• Country: United States
• Website: https://broadcom.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Brookhaven National Laboratory

Brookhaven National Laboratory is a USA national laboratory founded in 1947, located in Upton, New York, operating under United States Department of Energy. Brookhaven leads Co-design Center for Quantum Advantage (C2QA), one of five DOE National Quantum Information Science Research Centers established in 2020, directed by Andrew Houck. C2QA brings together experts to co-design quantum hardware, software, and algorithms to achieve quantum advantage. The laboratory conducts quantum computing research spanning superconducting qubits, quantum algorithms, quantum networking, and quantum sensors. Brookhaven operates quantum computing testbeds and collaborates with over 1,500 experts across 115 academic, industry, and national science institutions. The laboratory serves quantum computing research community, government agencies, and industry partners requiring fundamental quantum research, quantum algorithm development, and quantum hardware co-design advancing towards practical quantum advantage for scientific applications in physics, chemistry, materials science, and national security.

C12

C12 Quantum Electronics is a Paris-based quantum computing startup founded in 2020 as a spinoff from École Normale Supérieure that develops quantum processors using ultra-pure carbon nanotubes as qubits, leveraging isotopically purified 12C carbon atoms with zero nuclear spin to minimize decoherence and achieve near-ideal qubit performance, with €18 million in funding and an underground quantum fabrication facility in Paris producing quantum processors for cloud availability by 2025 and chip sales starting in 2026.

C2MI

C2MI (MiQro Innovation Collaborative Centre) is Canada’s leading hub for innovation in MEMS and semiconductor packaging founded November 1, 2011, with official inauguration July 2012, based in Bromont, Québec. C2MI is expanding into quantum chip manufacturing with new quantum fabrication facility dedicated to superconducting quantum chips expected operational targeting 2026. The facility features PVD system with unique capabilities essential for creating highly precise and reliable components for superconducting quantum circuits including Josephson Junctions, foundational element of quantum processors. Anyon Systems signed MOU with C2MI confirming collaboration in developing industrial-grade quantum fabrication facility. C2MI partnership with Nord Quantique provides industrial-grade fabrication for superconducting qubits. C2MI serves Canadian quantum computing manufacturers requiring industrial-scale superconducting qubit fabrication with advanced semiconductor packaging capabilities supporting quantum processor development and quantum computing hardware manufacturing.

Caltech

California Institute of Technology is a private research university founded September 23 1891 located in Pasadena California prominent leader in quantum research through Institute for Quantum Information and Matter focusing on theoretical and experimental aspects of quantum information science including quantum computation and quantum many-body physics. In September 2025, Caltech scientists built a record-breaking array of 6,100 neutral-atom qubits, announced on September 25, 2025, representing a critical step toward powerful error-corrected quantum computers and demonstrating Caltech’s leadership in neutral atom quantum computing technology. The upcoming Dr. Allen and Charlotte Ginsburg Center for Quantum Precision Measurement set to open in 2025 will bolster capabilities uniting quantum research disciplines. Caltech conducts quantum research spanning quantum algorithms quantum error correction quantum materials quantum sensors quantum networks and quantum simulation. The university quantum programs have produced numerous breakthrough discoveries and quantum technology spinouts including PINC Technologies serving quantum research community through fundamental quantum research and quantum education programs.

CAN Superconductors

CAN Superconductors s.r.o. is a Czech manufacturer of superconducting materials and components serving quantum computing and other advanced technology sectors. The company produces superconducting wires, tapes, and materials essential for quantum computing systems requiring ultra-low temperature superconducting components. CAN Superconductors manufactures High Temperature Superconductor (HTS) materials used in quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic systems. As a European superconductor manufacturer, CAN Superconductors serves quantum computing companies, research institutions, and cryogenic equipment manufacturers requiring high-quality superconducting materials. The company provides custom superconducting solutions for quantum processors, quantum communication systems, and quantum sensing applications demanding superior superconducting performance at cryogenic temperatures.

CCRAFT

CCRAFT is a Swiss-based photonic chip foundry launched in April 2025 as a CSEM spin-off, committed to advancing thin-film lithium niobate (TFLN) technology for scalable, high-volume manufacturing. CCRAFT is the world’s first production-ready pure-play foundry offering chips based on TFLN technology, built on over six years of pioneering R&D at CSEM (Swiss Center for Electronics and Microtechnology). CEO and founder Hamed Sattari leads the company headquartered in Neuchâtel. TFLN chips promise up to 8 times higher speed and consume up to 10 times less energy than conventional optical components, enabling data transmission beyond 1.6 Tbit/s. CCRAFT manufactures photonic integrated circuits for optical communication, AI data centers, and quantum technologies. With planned expansion in Neuchâtel, CCRAFT aims to reach 12 million chips annual output by targeting 2030, targeting up to 30% of the global market for high-speed photonic circuits.

Chipiron

Chipiron develops advanced quantum chip technology and semiconductor solutions for quantum computing applications, focusing on the design and fabrication of quantum devices with improved performance characteristics and integration capabilities for next-generation quantum processors and quantum systems.

Company Information

• Founded: 2021
• Country: France
• Website: https://chipiron.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Circor

Circor International is a Massachusetts-based manufacturer founded in 1999, providing cryogenic valves, vacuum insulated products, cryogenic filters, and complex vacuum insulated piping systems for quantum computing and aerospace applications. The company manufactures specialized cryogenic components for ultra-low temperature systems including dilution refrigerators used in quantum computing. Circor’s cryogenic valves and vacuum-insulated piping systems enable precise control of cryogenic fluids in quantum processor cooling infrastructure operating at millikelvin temperatures. The company’s products support quantum computing cryogenic systems requiring reliable fluid management for liquid helium and liquid nitrogen cooling. Circor serves quantum computing manufacturers, aerospace companies, research laboratories, and cryogenic equipment providers requiring high-performance cryogenic valves and vacuum-insulated components for quantum processors, superconducting systems, and ultra-low temperature research applications. Circor’s cryogenic expertise supports quantum computing infrastructure requiring specialized fluid handling at extreme temperatures.

Classiq

Classiq has revolutionized quantum software development with its groundbreaking platform that automatically synthesizes high-level functional models into optimized quantum circuits. Founded in 2020 by Nir Minerbi, Yehuda Naveh, and Amir Naveh, the company addresses one of quantum computing’s biggest challenges: translating complex algorithms into efficient quantum circuits. Classiq’s platform uses advanced synthesis algorithms to automatically generate, optimize, and analyze quantum circuits, dramatically reducing development time from months to days. The platform supports multiple quantum hardware backends and integrates with existing quantum development frameworks, enabling developers to focus on algorithm logic rather than low-level circuit optimization. In May 2025, Classiq raised $110 million in Series C funding, the largest ever for a quantum software company. In October 2025, Classiq was named to Fast Company’s annual Next Big Things in Tech list in the Computing, Chips and Foundational Technology category for transforming how organizations produce software for quantum computers, with Classiq technology being used by dozens of global enterprises and at over 400 universities. In October 2025, Comcast launched a quantum lab and began trials using quantum computing to improve broadband network management, partnering with D-Wave and Classiq to test applications such as traffic optimization and predictive issue resolution. Classiq has secured significant funding and partnerships with quantum hardware companies, cloud providers, and research institutions. Their technology has been adopted by organizations ranging from startups to Fortune 500 companies working on quantum applications in finance, chemistry, optimization, and machine learning. As quantum computers scale toward practical applications, Classiq’s software synthesis approach becomes increasingly critical for unlocking quantum advantage.

Clifton

Clifton is an Estonian company that created a new class of high-voltage semiconductors used by power electronics manufacturers in Europe, Asia, and America in industries ranging from mining to space technology. The company received early funding from Quantum Wave Fund and develops advanced materials with quantum properties for power electronics and energy applications. Clifton’s innovations enable more efficient energy conversion and power management systems.

Company Information

• Founded: 2012
• Country: Estonia
• Website: https://clifton.ee
• Categories: quantum materials, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Coherent

Coherent is a vertically integrated supplier of lasers, photonic devices, and laser measurement systems for communications, electronics, and instrumentation markets. The company manufactures silicon photonics, VCSEL arrays, lenses, filters, isolators, laser sources, and measurement equipment serving quantum photonics applications, industrial processing, and optical networking. Coherent provides comprehensive coherent transceivers and modules for global communications networks and quantum systems. The company was formed through the 2022 merger of II-VI and Coherent Inc.

Cornell University

Cornell University is a private Ivy League research university founded in 1865, located in Ithaca, New York. Cornell conducts advanced quantum research advancing quantum materials quantum computing and quantum technologies. The university excels in quantum materials science superconducting devices and quantum hardware development. Cornell researchers contribute to quantum algorithms quantum error correction and quantum applications. The university has produced quantum technology spinouts and maintains strong quantum industry partnerships. Cornell serves quantum research community through quantum research quantum education and technology transfer advancing quantum information science and quantum materials development supporting USA quantum technology leadership.

Cryocomp

Cryocomp is the valves division of parent company Cryofab Inc., with history beginning with 1994 founding of DLH Industries, acquired by Cryofab Inc. in December 2014. Cryofab was founded in 1971 as global leader in design and supply of cryogenic dewars, storage vessels, and transfer systems. Cryocomp specializes in vacuum insulated equipment for safe and efficient transfer of liquid nitrogen, helium, argon, oxygen, and hydrogen. The company manufactures liquid nitrogen valves, liquid helium valves, and cryogenic solenoid valves essential for quantum computing cryogenic infrastructure. Cryocomp located in Kenilworth, New Jersey, provides cryogenic valve solutions for ultra-low temperature applications in quantum processors requiring liquid helium cooling systems. Cryocomp serves quantum computing manufacturers, research laboratories, and cryogenic system providers requiring specialized valves for dilution refrigerators and quantum computing cryogenic infrastructure operating at millikelvin temperatures.

Cryomagnetics

Cryomagnetics Inc. is a leading manufacturer of superconducting magnet systems and cryogenic equipment founded in 1969, based in Oak Ridge, Tennessee, serving quantum computing and scientific research markets. The company manufactures superconducting magnets, cryostats, and cryogenic systems essential for quantum computing applications requiring ultra-low temperatures and high magnetic fields. Cryomagnetics provides superconducting magnet solutions for quantum processors, quantum sensing systems, and quantum research requiring precise magnetic field control at cryogenic temperatures. The company’s products support superconducting qubit systems, trapped ion quantum computers, and quantum sensing applications. Cryomagnetics serves quantum computing manufacturers, national laboratories, universities, and research institutions requiring reliable superconducting magnet systems and cryogenic infrastructure for quantum technology development and quantum physics research.

Crypto4A

Crypto4A is a Canadian cybersecurity firm developing quantum-safe hardware security modules (HSMs) and integrated cryptographic platforms for enterprises and government agencies. Their flagship product QxHSM provides quantum-safe and crypto-agile hardware security solutions addressing evolving fundamental security threats. The company focuses on secure manufacturing and Industry 4.0 applications with $3.75M repayable contribution from Canada’s Federal Economic Development Agency for Southern Ontario as part of a $7.5M Quantum-Safe Secure Manufacturing Initiative.

Cutting Edge Superconductors

Cutting Edge Superconductors Inc. is a USA-based manufacturer of high-quality superconducting materials and components for quantum computing and advanced technology applications. The company specializes in production of superconducting wires, tapes, and materials used in quantum computing systems, cryogenic electronics, and superconducting circuits. Cutting Edge Superconductors manufactures High Temperature Superconductor (HTS) and Low Temperature Superconductor (LTS) materials essential for quantum processors, superconducting qubits, and quantum computing infrastructure. The company provides custom superconducting solutions for quantum computing manufacturers requiring precision superconducting materials with superior performance characteristics. Cutting Edge Superconductors serves quantum technology companies, research laboratories, and cryogenic system manufacturers needing high-performance superconducting components for quantum computing, quantum sensing, and superconducting electronics applications.

Delft Circuits

Delft Circuits is a Dutch quantum technology company founded in 2017 as a QuTech spinout that specializes in manufacturing high-performance cryogenic quantum cables and interconnects essential for quantum computing systems, providing low-noise, high-fidelity signal transmission solutions that enable precise control and readout of qubits in dilution refrigerators, serving quantum computing companies worldwide with critical infrastructure components that maintain signal integrity at millikelvin temperatures required for superconducting quantum processors.

Dimira Technologies

Dimira Technologies Pvt. Ltd. is a Mumbai-based quantum hardware company incubated at IIT Mumbai (IIT Bombay), recognized and selected for facilitating technological development under India’s National Quantum Mission. The company focuses on indigenous development of cryogenic radio frequency cables for quantum computing and other applications, critical components for maintaining the low-temperature environments required for quantum hardware operation. Dimira was selected as one of eight startups out of 130 applications announced by Union Minister Dr. Jitendra Singh. The National Quantum Mission, approved by the Union Cabinet on April 19, 2023, allocated Rs.6003.65 crore from 2023-24 to projected 2030-31 to seed, nurture, and scale up scientific and industrial R&D. Dimira Technologies contributes to India’s goal of achieving technological self-reliance in quantum computing infrastructure.

Diraq

Diraq develops silicon quantum processors using CMOS-compatible fabrication processes to create quantum computers that leverage existing semiconductor manufacturing infrastructure, focusing on silicon-based spin qubits that can be manufactured using standard chip fabrication techniques to enable cost-effective scaling of quantum systems for practical applications. In September 2025, Diraq and European nanoelectronics institute imec published breakthrough results in Nature demonstrating that silicon-based quantum chips can maintain world-class accuracy even when mass-produced in semiconductor foundries, achieving over 99% fidelity in two-qubit operations. The research, published on September 24, 2025, showed that devices built on imec’s 300mm spin qubit platform with isotopically enriched silicon demonstrated reproducible fidelities exceeding 99% for one- and two-qubit operations and above 99.9% for state preparation and measurement. Unlike typical academic ‘hero’ devices, these results were obtained from randomly selected samples, confirming that scalable, high-fidelity silicon qubits can be produced using standard semiconductor manufacturing methods, marking a critical milestone for commercially viable quantum computing at scale.

DiTom Microwave

DiTom Microwave specializes in manufacturing RF isolators and circulators for high-reliability applications including quantum computing. The company produces cryogenic RF components designed to operate at temperatures below 77K down to the millikelvin range required for superconducting quantum computers. DiTom’s cryogenic isolators and circulators serve the quantum computing industry’s need for reliable microwave components that maintain performance at ultra-low temperatures. Their products are essential for qubit control and readout in superconducting quantum processors. The company serves aerospace, defense, space-qualified, and cryogenic hardware markets with proven reliability in extreme environments.

Duality Quantum Photonics

Duality Quantum Photonics is a UK-based quantum technology company founded in 2020 that develops integrated quantum photonics circuits and components for quantum computing, quantum communications, and quantum sensing applications, specializing in silicon photonic chips that enable scalable photonic quantum systems with high integration density, providing essential building blocks for photonic quantum technologies including quantum light sources, quantum interferometers, and photonic quantum processors for researchers and companies developing quantum applications.

EeroQ

EeroQ develops innovative helium-ion quantum processors using a unique approach that employs helium ions to create qubits with potentially superior coherence properties and reduced environmental sensitivity compared to traditional quantum computing platforms, aiming to build scalable quantum systems for computational applications in optimization and simulation.

Company Information

• Founded: 2017
• Country: United States
• Website: https://eeroq.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

eleQtron

eleQtron is a German quantum computing company founded in 2020 that develops MAGIC (Magnetic Quantum Information Coupling) quantum computers using novel approaches to quantum processing, focusing on creating scalable quantum systems with enhanced coherence properties and reduced environmental sensitivity, working to advance quantum computing hardware through innovative qubit designs and quantum control techniques for applications in optimization, simulation, and quantum algorithm development across various industries and research institutions.

Company Information

• Founded: 2020
• Country: Germany
• Website: https://eleqtron.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Elmos Semiconductor

Elmos Semiconductor SE is a German semiconductor manufacturer headquartered in Dortmund, founded in 1984, primarily serving the automotive industry. In January 2025, Elmos partnered with ID Quantique to develop the world’s smallest monolithically integrated Quantum Random Number Generator (QRNG) solution measuring just 2mm x 2mm. The innovative QRNG uses in-chip photoemission quantum principles to generate the highest quality randomness with ultra-low power consumption and extremely short start-up time. This partnership brings 40 years of semiconductor manufacturing expertise to quantum security, targeting mass market applications including mobile phones and IoT devices. The QRNG delivers exceptional cost-performance ratio for cybersecurity and encryption applications. Elmos serves automotive OEMs, tier-1 suppliers, and consumer electronics manufacturers requiring quantum-grade random number generation for secure cryptographic key generation and data protection against quantum computing threats.

Enquantum

Enquantum is a Holon, Israel-based quantum security company founded in 2020, specializing in computer and network security solutions protecting data from quantum computing threats. The company delivers energy-efficient post-quantum cryptography engines for scalable and sustainable futures using hash-based cryptography with hardware-acceleration achieving terabit scale at ultra-low latency. Enquantum employs 1-10 people and is invested in and approved by the Israel Innovation Authority. The company’s technology leverages FPGA-accelerated architecture minimizing carbon footprint with scalable architecture meeting demands of evolving environments. Enquantum provides quantum-resistant encryption solutions for organizations requiring protection against quantum computer attacks on current cryptographic systems. The company serves enterprises, government agencies, and telecommunications providers requiring quantum-safe security infrastructure preparing for post-quantum cryptography transition mandated by regulatory agencies globally.

Envietta

Envietta is an American quantum security company founded in 2019, developing hardware-implemented post-quantum cryptography solutions as IP Core for semiconductor integration. The company is one of only three companies worldwide offering post-quantum cryptography as IP Core: PQ Shield (UK), Envietta (USA), and ResQuant (Poland). Envietta develops cryptographic processor designs implemented on FPGA and ASIC microchips for direct integration into electronic devices, providing quantum-resistant encryption resistant to quantum computer attacks. The company implements NIST-approved post-quantum cryptography algorithms including ML-KEM (Kyber), ML-DSA (Dilithium), and SLH-DSA (SPHINCS+) as hardware accelerators and IP cores for semiconductor manufacturers. Envietta serves semiconductor companies, IoT device manufacturers, aerospace contractors, automotive suppliers, and telecommunications equipment vendors requiring hardware-based post-quantum cryptography implementations for chip-level security. The company focuses on high-performance PQC hardware implementations enabling quantum-safe security in resource-constrained embedded systems and high-throughput communications equipment.

Epoch Wires

Epoch Wires Ltd. is an Indian manufacturer of specialized wires and superconducting materials serving advanced technology markets including quantum computing infrastructure. The company produces superconducting wires, cables, and components used in cryogenic applications, quantum computing systems, and scientific research requiring ultra-low temperature electrical conductivity. Epoch Wires manufactures materials supporting quantum computing infrastructure including superconducting interconnects, cryogenic wiring, and specialized conductors for quantum processors operating at cryogenic temperatures. As an Indian superconductor manufacturer, Epoch Wires supports India’s National Quantum Mission and emerging quantum technology ecosystem. The company serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies in India and globally, providing specialized wire products for quantum computing infrastructure, quantum research laboratories, and cryogenic quantum systems.

Equal1

Equal1 is an Irish quantum computing startup founded in 2017 as a University College Dublin spinoff that has developed the world’s first rack-mounted silicon quantum computer called Bell-1, using revolutionary Quantum System-on-a-Chip (QSoC) processors that integrate quantum and classical transistors on a single CMOS-compatible silicon chip, enabling quantum computers to operate alongside traditional servers in data centers at a fraction of the cost of competing systems, with $11 million in funding and partnerships with Arm and GlobalFoundries to scale silicon spin qubit technology for commercial applications.

ERZIA

ERZIA is an OEM manufacturer of high-performance RF and microwave modules, subsystems, and integrated assemblies serving quantum computing applications. Their high-power amplifiers (HPA) drive microwave control pulses for qubit manipulation (4-8 GHz, 10-50W output), while their low-noise amplifiers (LNA) capture weak readout signals with sub-1 dB noise figures across L-Band through W-Band frequencies critical for quantum system architectures. ERZIA provides essential RF infrastructure for quantum control systems worldwide.

Company Information

• Founded: 1996
• Country: Spain
• Website: https://www.erzia.com
• Categories: quantum control, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

EuQlid

EuQlid develops advanced trapped ion quantum systems with focus on high-fidelity qubit operations and scalable ion trap architectures, providing quantum computing solutions for research and commercial applications that require precise atomic control and long coherence times for quantum simulation and optimization problems.

Company Information

• Founded: 2021
• Country: United States
• Website: https://euqlid.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

EYL

EYL is a South Korean quantum security specialist that commercialized the industry’s first radioisotope-based quantum random number generator (QRNG) chip, applying natural radioisotope decay process to cryptographic information security. Founded in 2014, EYL’s QUANTUM™ QRNG product family addresses 4th Industrial Revolution convergence security demands and IoT device security. The company’s products include QUANTUM Entropy Chip (QEC) and QUANTUM™ QRNG in flipchip, USB, and PCI card formats supporting RNG speeds up to 4 Gbps. EYL won Diamond Award at MassChallenge Boston 2016, the world’s biggest startup competition. In 2025, South Korea recognized EYL’s QRNG as national strategic technology within quantum cryptography and quantum communication category, prioritizing it for state support and integration into critical infrastructure. EYL’s QRNG technology serves finance, telecommunications, defense, and public sectors, with rapid global expansion to Indonesia, Europe, and Middle East markets.

Faraday Factory Japan

Faraday Factory Japan is a Japanese manufacturer developing cost-effective mass production methods for High Temperature Superconducting (HTS) tapes with production capacities approaching 100 thousand kilometers per year. The company produces second-generation HTS wire using advanced manufacturing processes, reducing costs and increasing availability of superconducting materials for quantum computing applications. Faraday Factory Japan manufactures superconducting tape essential for quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic quantum systems. The company’s mass production capabilities enable large-scale deployment of superconducting materials for quantum processors and quantum technology applications. Faraday Factory Japan serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies requiring high-volume, cost-effective superconducting wire for quantum computing infrastructure, quantum communication systems, and quantum sensing applications.

Filtronic

Filtronic is a UK-based RF, microwave, and mmWave solutions provider specializing in customized filters, diplexers, and low-noise amplifiers for quantum computing systems. Their cryogenic-compatible RF filters operate at temperatures near absolute zero to minimize microwave noise in superconducting qubit systems, with switched filter banks enabling dynamic frequency adjustment for enhanced performance in varying quantum computing environments. Filtronic designs bespoke RF solutions for quantum computing companies supporting both control systems outside and circuits inside dilution refrigerators.

Frequency Electronics

Frequency Electronics designs precision timing and frequency control products including atomic clocks (hydrogen, cesium, rubidium standards) and RF modules up to 67 GHz for quantum sensing and quantum computing applications. The company has over 40 years of quantum sensing experience, developing nitrogen-vacancy diamond magnetometers for the Defense Innovation Unit and Rydberg atom-based RF sensors in partnership with NIST and Freedom Photonics. Frequency Electronics provides critical timing infrastructure for government, defense, aerospace, and quantum technology applications.

FrostByte

FrostByte is a 2025 spin-out from QuTech at TU Delft developing cryogenic electronics that address the scaling bottlenecks facing quantum technologies. The company creates integrated circuits and control electronics that operate at ultra-low temperatures directly alongside quantum processors, reducing wiring complexity and improving signal fidelity. FrostByte’s innovations enable the scaling of quantum computers from hundreds to thousands of qubits.

Company Information

• Founded: 2025
• Country: Netherlands
• Website: https://frostbyte.nl
• Categories: quantum control, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Fuji Electric

Fuji Electric Co. Ltd. is a major Japanese electrical equipment manufacturer founded in 1923, producing superconducting materials and components serving quantum computing and power applications. The company manufactures superconducting wires, cables, and systems using both Low Temperature Superconductor (LTS) and High Temperature Superconductor (HTS) technologies. Fuji Electric provides superconducting solutions for quantum computing infrastructure including cryogenic systems, superconducting magnets, and power conditioning equipment essential for quantum processors. The company leverages extensive experience in power electronics and cryogenic systems to support quantum computing manufacturers requiring reliable superconducting components. Fuji Electric serves quantum technology companies, research institutions, and cryogenic equipment manufacturers in Japan and globally, providing superconducting materials for quantum processors, quantum communication systems, and quantum computing infrastructure requiring advanced superconducting technologies.

Fujikura

Fujikura Ltd. is a major Japanese manufacturer founded in 1885, producing superconducting wires, cables, and materials for quantum computing and telecommunications applications. The company manufactures High Temperature Superconducting (HTS) wire and cable products using advanced production technologies, serving quantum computing infrastructure requirements. Fujikura provides superconducting solutions for quantum processors, superconducting qubits, quantum interconnects, and cryogenic quantum systems requiring ultra-low resistance electrical conductivity at cryogenic temperatures. The company leverages over 135 years of cable and wire manufacturing expertise to produce high-quality superconducting materials for quantum technology applications. Fujikura serves quantum computing manufacturers, research institutions, telecommunications companies, and cryogenic equipment providers requiring reliable superconducting wire and cable products for quantum computing infrastructure, quantum communication networks, and quantum sensing systems.

GEM Systems

GEM Advanced Magnetometers is a world leader in high-precision quantum magnetometer technology for earth science, geophysics, mineral and oil exploration, environmental applications, UXO detection, and earthquake research. Founded in 1980 and managed by Dr. Ivan Hrvoic, GEM leads in developing advanced quantum magnetometer technologies including Overhauser, optically pumped Potassium (K-Mag), and Proton Precession magnetometers. Based in Markham, Ontario, the company pioneered the potassium vapor magnetometer and continues innovation in quantum sensing. GEM’s magnetometers and gradiometers serve global geophysical survey, resource exploration, and scientific research applications requiring ultra-sensitive magnetic field detection.

Geometrics

Geometrics is a leading manufacturer of magnetometers and geophysical instruments based in San Jose, California. The company develops and manufactures precision magnetometers for measuring planetary-scale magnetic fields using quantum sensing principles. Geometrics operates under a Space Act Agreement with NASA to test magnetometers in specially constructed non-magnetic facilities at Moffett Field, which are instrumental to their product development. With $23.4 million in revenue and 85 employees, Geometrics serves geophysical survey, marine exploration, aerospace, and scientific research markets. The company partners with Texas Instruments on next-generation silicon-based magnetometers incorporating MEMS technology for smaller, more deployable quantum sensors.

Hamamatsu Photonics

Hamamatsu Photonics manufactures photonic devices and optical sensors for quantum technologies, including photomultiplier tubes (PMTs), single-photon avalanche diodes (SPADs), and qCMOS cameras for trapped ion and neutral atom quantum computing. Recent products include the ORCA-Quest 2 qCMOS camera with faster readout and enhanced UV sensitivity, plus their first commercial optically pumped magnetometer (OPM) for ultra-low magnetic field detection in quantum sensing. Hamamatsu acquired NKT Photonics in 2022 to strengthen its quantum photonics capabilities.

Harvard University

Harvard University is a private Ivy League research university founded 1636 in Cambridge Massachusetts. Central to Harvard quantum initiatives is Harvard Quantum Initiative uniting researchers from various disciplines to advance quantum science and engineering. In September 2025, a team of Harvard physicists led by Mikhail Lukin (Joshua and Beth Friedman University Professor) achieved a historic breakthrough by building the first quantum computer that can operate continuously for over 2 hours without restarting, published in Nature. The system operates an array of more than 3,000 qubits (neutral atoms) and theoretically could continue indefinitely, representing a massive improvement over existing quantum computers that typically run for milliseconds or at most 13 seconds. The breakthrough was achieved by replenishing qubits in real time, injecting new atoms at a rate of 300,000 per second using an optical lattice conveyor belt system to counteract atom loss and maintain quantum information, with over 50 million atoms cycled through the system during the two-hour demonstration. This transformative achievement demonstrates that quantum computers capable of running forever in practice are now just three years away (down from five+ years previously), marking a critical milestone toward practical, continuously operating quantum computing systems. Harvard Quantum Initiative is one of strongest in country heavily focused on quantum networking quantum chemistry and quantum materials research. Harvard conducts quantum research spanning quantum processors quantum algorithms quantum communication networks quantum simulation and quantum sensing. The university maintains partnerships with leading quantum companies including QuEra Computing and government agencies. Harvard serves quantum research community through fundamental quantum research quantum education programs and technology transfer advancing quantum information science and quantum technology commercialization supporting USA quantum leadership.

High Temperature Superconductors

High Temperature Superconductors Inc. is a USA-based manufacturer specializing in high-temperature superconducting materials and components for quantum computing and advanced technology applications. The company produces superconducting wires, tapes, and materials used in quantum computing systems, superconducting electronics, and cryogenic applications. High Temperature Superconductors manufactures HTS materials operating at higher temperatures than conventional superconductors, reducing cooling requirements for quantum computing infrastructure. The company provides custom superconducting solutions for quantum processors, superconducting qubits, and quantum computing systems requiring reliable superconducting performance. High Temperature Superconductors serves quantum technology companies, research laboratories, cryogenic equipment manufacturers, and quantum computing startups requiring high-quality superconducting materials for quantum processors, quantum communication systems, and quantum sensing applications operating at cryogenic temperatures.

Hub Security

Hub Security Ltd. is an Israeli cyber security company established in 2017 by Eyal Moshe and Andrey Iaremenko with offices in Tel Aviv and New York, employing 25 employees and offering cyber security solutions for AI, data, fintech, and infrastructure sectors. Hub Security announced the first-ever miniature Hardware Security Module (HSM) with integrated Quantum Random Number Generator (QRNG) component, enabling endpoint data privacy and access security for IoT and distributed networks in the 5G era. The company’s cyber platform is designed and manufactured in Israel, delivering military-grade protection assuming systems are already hacked, providing higher security standards for sensitive information. Hub Security enables organizations to run artificial intelligence applications at highest security levels required in health service, critical infrastructure, and finance industries. The company’s QRNG integration into HSM protects IoT devices and distributed networks, serving cybersecurity markets requiring quantum-enhanced encryption key security and data protection.

HÜBNER Photonics

HÜBNER Photonics is a leading manufacturer of lasers and THz systems for quantum technology applications. Headquartered in Kassel, Germany, with manufacturing in Kassel and Stockholm, Sweden, plus offices in USA and UK, the company offers single and multi-line lasers, the tunable C-WAVE laser, and laser combiners for quantum research. HÜBNER expanded its research and production facilities in Kassel specifically to meet growing demand for tunable single-frequency laser sources in quantum technology research and augmented reality holography. Their products serve spectroscopy, bioinstrumentation, metrology, nanophotonics, and quantum technology research. HÜBNER has become a preferred supplier to major quantum research groups and public institutions worldwide.

Hyper Tech Research

Hyper Tech Research Inc. is a leading manufacturer and developer of advanced superconducting materials based in Columbus, Ohio, founded in 1999, specializing in superconducting wire technology for quantum computing and energy applications. The company manufactures high-performance superconducting wires including Niobium-Titanium (NbTi), Niobium-Tin (Nb3Sn), and Magnesium Diboride (MgB2) superconductors used in quantum computing systems and cryogenic applications. Hyper Tech Research provides superconducting materials for quantum processors, superconducting qubits, quantum interconnects, and cryogenic quantum computing infrastructure requiring ultra-low resistance electrical conductivity. The company conducts research and development on next-generation superconducting materials with improved performance characteristics for quantum computing applications. Hyper Tech Research serves quantum computing manufacturers, national laboratories, universities, and research institutions requiring specialized superconducting materials for quantum technology development.

HYPRES

HYPRES specializes in superconducting electronics and rapid single flux quantum (RSFQ) technology for quantum computing applications, providing advanced cryogenic electronics, superconducting circuits, and quantum control systems that enable precise manipulation and readout of quantum states in superconducting quantum processors with over four decades of expertise in superconducting technologies.

Company Information

• Founded: 1983
• Country: United States
• Website: https://hypres.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

HYQ Bit

HYQ Bit develops trapped ion quantum computers using precision-controlled ion trapping technology to create high-fidelity quantum systems for research and commercial applications, contributing to China’s growing quantum computing ecosystem with focus on scalable ion trap architectures for quantum simulation and optimization applications.

Company Information

• Founded: 2020
• Country: China
• Website: https://hyqbit.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

IBM Quantum

In 2024-2025, IBM Quantum unveiled its 156-qubit Heron processor featuring a new architectural approach emphasizing modularity and error mitigation, achieving 16 times better performance and a 25-fold increase in speed over 2022 systems. At the inaugural IBM Quantum Developer Conference in 2024, IBM achieved accurate computations on circuits with 100 qubits and gate depths of 100 and 5,000 two-qubit gate operations in under a day’s runtime. IBM introduced multi-chip coupling innovations including ’l-couplers’ for linking distant chips via cables and ’m-couplers’ for tightly connecting adjacent chips, demonstrated with IBM Quantum Flamingo connecting two Heron R2 chips, with the production-ready Flamingo system expected in 2025. IBM’s roadmap extends to 2026 with the Kookaburra system demonstrating the first integration of logical qubit processing with quantum memory, and by 2028, the Starling system will operate 200 logical qubits requiring approximately 10,000 physical qubits using IBM’s efficient LDPC codes.

Imec

Imec is a world-leading research and innovation hub in nanoelectronics and digital technologies based in Leuven, Belgium, founded in 1984, with extensive quantum computing semiconductor fabrication programs. Imec collaborates with quantum hardware companies including Diraq, fabricating silicon spin qubits on 300mm wafers using standard CMOS materials. In June 2024, Diraq announced 99.9% control accuracy for silicon spin qubits fabricated by Imec on 300mm wafers, demonstrating scalable quantum processor manufacturing. Imec’s semiconductor fabrication capabilities enable quantum computing companies to manufacture qubits using existing semiconductor infrastructure, reducing costs and accelerating quantum computer development. The organization provides process development and manufacturing services for quantum processors, serving quantum hardware startups requiring advanced semiconductor fabrication for superconducting qubits, silicon spin qubits, and other quantum computing architectures.

Intel Quantum

In 2024, Intel’s spin qubits achieved 99.9% gate fidelity, the highest reported for qubits made with all-CMOS-industry manufacturing, demonstrated in research published in Nature titled ‘Probing single electrons across 300-mm spin qubit wafers.’ On December 25, 2024, Intel published research on ‘12-Spin-Qubit Arrays Fabricated on a 300 mm Semiconductor Manufacturing Line’ in Nano Letters, featuring the Tunnel Falls device consisting of 12 quantum dots arranged in a linear array - the largest number of qubits reported in a single Si/SiGe device to date. Intel researchers used a 300-millimeter cryogenic probing process, CMOS manufacturing techniques, and extreme ultraviolet (EUV) lithography to achieve tight dimensions while manufacturing in high volume. The small size of Intel’s spin qubits (approximately 100 nanometers across) makes them denser than other qubit types like superconducting qubits, enabling construction of more complex quantum computers on a single chip. Intel plans to demonstrate high-fidelity two-qubit gates on its industry manufacturing process and develop 2D arrays with increased qubit count and connectivity.

IonQ

In 2024-2025, IonQ raised approximately $372.6 million through an at-the-market equity offering (announced March 10, 2025), bringing the company’s cash balance to over $700 million. The company secured a major contract with Korea Institute of Science and Technology Information (KISTI) in July 2025 to deliver a 100-qubit quantum system for South Korea’s first National Quantum Computing Centre of Excellence. IonQ also signed a Memorandum of Understanding with Japan’s AIST to provide access to IonQ’s Forte-class quantum computers. At Quantum World Congress 2025, IonQ announced a groundbreaking advancement in quantum chemistry simulations with its quantum-classical auxiliary-field quantum Monte Carlo (QC-AFQMC) algorithm, demonstrating unprecedented precision in computing atomic-level forces with potential applications in drug discovery and climate change solutions. On October 7, 2025, IonQ completed the acquisition of Vector Atomic, a California-based quantum sensing company, in an all-stock transaction. The acquisition brought 75+ employees, scientists, engineers, and operators to IonQ, along with precision atomic clocks, inertial sensors, gravimeters, and synchronization hardware technology. Vector Atomic secured over $200 million in government contracts and holds 29 pending and issued patents in quantum sensing and timing. The acquisition expands IonQ’s portfolio from quantum computing into quantum sensing, timing, and navigation markets, with Vector Atomic’s technology delivering 1,000x improvement in GPS accuracy and picosecond-level timing precision for defense, aerospace, and commercial applications.

IPG Photonics

IPG Photonics manufactures fiber lasers and amplifiers including single-frequency linearly polarized sources for quantum computing applications. The company offers optical frequency combs for biomedical sensing, metrology, and quantum computing, along with specialized ultrafast lasers that deliver compact and efficient solutions purpose-built for quantum systems. IPG Photonics works directly with major quantum computing companies providing high-performance laser sources critical for quantum operations.

Company Information

• Founded: 1990
• Country: United States
• Website: https://www.ipgphotonics.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

IQM

On September 3, 2025, IQM secured $320 million (€275 million) in a Series B funding round led by Ten Eleven Ventures and 55 North, bringing total capital to $600 million - the largest quantum computing funding outside the United States. IQM reached a significant production milestone by manufacturing 30 full-stack quantum computers at its facility in Espoo, Finland. The company deployed Poland’s first superconducting quantum computer at Wrocław University of Science and Technology, expected to become operational in Q2 2025. In early September 2025, IQM’s 5-qubit Spark system was installed at the Taiwan Semiconductor Research Institute in Taipei, marking the first fully integrated superconducting quantum computer in a Taiwanese research environment. IQM also made its 20-qubit quantum processing unit, IQM Garnet, available through Amazon Braket, marking the first time IQM’s quantum computers are accessible via cloud in a self-service, on-demand model and expanding Amazon Braket’s availability to the AWS Europe (Stockholm) Region.

Isentroniq

Isentroniq is a Paris-based quantum hardware startup founded in May 2025 by Paul Magnard (PhD in experimental quantum information processing from ETH Zürich, former lead architect at Alice & Bob) and Théodore Amar (former Bain & Company consultant, ex-head of marketing at Hilti) that develops next-generation wiring infrastructure for superconducting quantum computers to solve the critical cryogenic power and space bottleneck that currently limits scaling beyond a few hundred qubits. In October 2025, Isentroniq raised €7.5 million in pre-seed funding led by Heartcore Capital with participation from OVNI Capital, Kima Ventures, IXCORE Group, Better Angle, EPSL VC, plus support from Bpifrance and France 2030 to industrialize its proprietary dense, near-heatless wiring technology that enables 1,000x more qubits to be integrated into existing dilution refrigerators. The company’s breakthrough wiring solution is designed to remove heat, cost, and space constraints inside cryostats and unlock the path to million-qubit systems, with the potential to reduce the price of a million-qubit quantum computer from tens of billions to approximately €50 million while solving the wiring deadlock that has become the primary barrier to scaling superconducting quantum processors as control and readout lines currently add excessive heat and complexity that cap systems at a few hundred qubits.

Johnson & Johnson

Johnson & Johnson is an American multinational pharmaceutical and medical technologies corporation founded in 1886, with Janssen Pharmaceuticals subsidiary launching three-year research collaboration with Qu&Co in 2021 to develop and test quantum computational algorithms and software for pharmaceutical R&D applications. Janssen employed Qu&Co’s QUBEC platform for quantum computational chemistry and materials science, testing algorithms on quantum processors. In 2024, Johnson & Johnson partnered with Pasqal working to demonstrate practical benefits of quantum computing for drug discovery problems. Johnson & Johnson is among biggest pharma industry players submitting quantum computing patents alongside Merck, Roche, and Amgen. The company uses quantum computing for molecular simulations, optimization problems in drug discovery, and computational chemistry applications. Johnson & Johnson serves global pharmaceutical market requiring quantum-enhanced drug discovery, molecular modeling, and computational chemistry for developing treatments for cancer, Alzheimer’s, Parkinson’s, and other conditions accelerating path from discovery to clinical trials.

KuSpace Tech

KuSpace Technologies (also spelled CuSpace or QSpace Technologies) is a Russian startup founded in 2018, partnering with MISIS University and Russian Quantum Center (RQC) on satellite quantum key distribution experiments providing ground station equipment for quantum satellite links. Scientists from MISIS, RQC, and KuSpace conducted joint experiment on quantum cryptography transmission between Russia and China beginning work with China’s Mo-tzu (Mozi) quantum satellite in 2019. The ground station in Zvenigorod created by KuSpace enabled exchange of encoded images with Chinese ground station in Nanshan demonstrating quantum-encrypted communication over 3,800 km between station near Moscow and Urumqi via Mozi satellite. In summer 2023, prototype quantum satellite Impulse-1 developed by NUST MISIS and KuSpace Technologies launched from Vostochny cosmodrome with equipment for testing laser communication channels. KuSpace provides quantum satellite communication technologies and ground station infrastructure supporting Russia’s quantum communication network development and international quantum cryptography collaborations.

Lawrence Berkeley National Laboratory

Lawrence Berkeley National Laboratory (Berkeley Lab) is a USA national laboratory founded August 26, 1931, located in Berkeley, California, operated by University of California for United States Department of Energy. Berkeley Lab leads Quantum Systems Accelerator (QSA), one of five DOE National Quantum Information Science Research Centers bringing together 80 world-class researchers from 15 partner institutions. QSA catalyzes national leadership in quantum information science to co-design algorithms, quantum devices, and engineering solutions delivering certified quantum advantage in scientific applications. The laboratory conducts quantum computing research spanning quantum processors, quantum algorithms, quantum networking, quantum sensors, and quantum materials. Berkeley Lab operates quantum computing testbeds and advanced characterization facilities for quantum hardware development. The laboratory serves quantum research community collaborating with universities, industry, and government agencies advancing quantum computing for energy, chemistry, materials science, and national security applications requiring quantum computational advantage.

Leybold

Leybold GmbH was founded by Ernst Leybold in Cologne in 1850, based in Cologne as part of Swedish industry group Atlas Copco, celebrating its 175th anniversary in 2025. The company’s core competencies are development of components and systems for generation of vacuum and gas management engineering. Leybold provides forevacuum pumps and turbomolecular pumps including oil-free ECODRY plus multi-stage roots pump with extremely low vibration for quantum computing applications. Quantum computing requires components chilled to near absolute zero whilst others stored in ultra-high vacuum (UHV). Leybold COOLPOWER range Gifford-McMahon closed-cycle coldheads enable faster pumping to UHV, and PHOENIX range represents most innovative leak detection technology meeting accuracy and speed requirements of quantum research. Leybold serves quantum computing research laboratories and manufacturers requiring ultra-high vacuum environments and precision leak detection for quantum processor fabrication and operation.

LIGENTEC

LIGENTEC is a B2B manufacturer of photonic integrated circuits for AI, quantum technologies, LiDAR, and biosensors, spun off in 2016 from Professor Tobias Kippenberg’s lab at the Federal Institute of Technology (EPFL) in Lausanne, Switzerland, by Michael Geiselmann, Michael Zervas, and Tobias Kippenberg. Headquartered near EPFL in Lausanne with offices near X-Fab in Corbeil-Essonnes, France, LIGENTEC specializes in commercializing all-nitride-core technology. The company is a Swiss-based semiconductor manufacturing partner offering low-loss SiN photonic integrated circuits (PICs) for quantum technologies, LiDAR, communications, space, and sensors. LIGENTEC raised $8.78 million from investors including Horizon Europe, EIC Accelerator, Foundation for Technological Innovation, and Venture Kick. LIGENTEC serves quantum computing applications requiring ultra-low-loss photonic components for qubit control and quantum state manipulation.

Lightsynq

Lightsynq was a Boston-based startup founded in 2022 that developed advanced photonic quantum solutions including quantum light sources, photonic integrated circuits, and quantum networking components to enable scalable photonic quantum computing and quantum communication systems for applications requiring room-temperature operation and network connectivity. In June 2025, IonQ acquired Lightsynq Technologies to advance quantum computing and networking scalability, bringing over 20 patents to IonQ’s portfolio. The acquisition positioned IonQ to strengthen its photonic interconnect capabilities and quantum memory technologies, integrating Lightsynq’s expertise in photonic quantum systems with IonQ’s trapped-ion quantum computing platform to enable more scalable quantum architectures.

Los Alamos National Laboratory

Los Alamos National Laboratory (LANL) is a USA national laboratory founded in 1943 during Manhattan Project, located in Los Alamos, New Mexico, operated by Triad National Security LLC for United States Department of Energy and National Nuclear Security Administration. LANL conducts quantum computing research spanning quantum algorithms, quantum simulation, quantum cryptography, quantum networking, and quantum sensors for national security applications. The laboratory develops quantum technologies for nuclear weapons stewardship, materials science, secure communications, and sensing applications. LANL operates quantum computing testbeds exploring superconducting qubits, trapped ions, and quantum annealing for optimization and simulation problems. The laboratory collaborates with DOE National Quantum Information Science Research Centers and industry partners advancing quantum computing for national security missions. LANL serves Department of Defense, Department of Energy, and intelligence community requiring quantum computing capabilities for weapons physics, cryptanalysis, materials discovery, and quantum-safe cryptography protecting national security information against quantum threats.

Lumentum

Lumentum is a market-leading designer and manufacturer of optical and photonic products including laser chips, coherent transceivers, pump lasers, and photonic components. Their ultra-high-power, high-efficiency lasers are integrated into NVIDIA’s Quantum-X Photonics networking switches, and their products enable optical networking and photonic innovations critical for quantum and AI infrastructure. Lumentum operates major semiconductor facilities in San Jose, California, producing components for quantum technologies and advanced computing systems.

Company Information

• Founded: 2015
• Country: United States
• Website: https://www.lumentum.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

M-Wave Design

M-Wave Design is a leading supplier of ferrite-based RF and microwave components for aerospace, defense, and quantum computing applications. Founded in 1988 and based in Simi Valley, California, the company designs and manufactures passive waveguide and coaxial components including isolators, circulators, adapters, and terminations. M-Wave’s product portfolio is uniquely positioned to supply components that perform at cryogenic temperatures used in quantum computing, filling a critical niche for ferrite-based components in quantum processor systems. Acquired by Quantic Electronics in May 2024, M-Wave continues serving quantum computing, aerospace, and defense markets with high-reliability ferrite components. CEO Ken Boswell leads the operations.

Maybell Quantum

Maybell Quantum develops advanced cryogenic quantum systems and ultra-low temperature solutions specifically designed for quantum computing applications, providing dilution refrigerators, cryogenic electronics, and thermal management systems that enable quantum processors to operate at the millikelvin temperatures required for quantum coherence.

Company Information

• Founded: 2021
• Country: United States
• Website: https://maybellquantum.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Mectalent

Mectalent is a top expert in product development, precision mechanics, and demanding equipment manufacturing for quantum technology applications. Based in Oulu with 6,000 m² of office and production facilities, the company has accumulated extensive expertise in vacuum technology, understanding the mechanical design, parts manufacturing, and equipment requirements for quantum systems. Mectalent cooperates with industry leaders including IQM Quantum Computers and Bluefors, providing precision manufacturing and vacuum technology components for quantum computing systems. As a member of Photonics Finland technology cluster, Mectalent serves Europe’s quantum computing ecosystem with precision-engineered vacuum and mechanical components.

MemQ

MemQ develops quantum memory solutions and quantum storage systems that enable the temporary storage and retrieval of quantum information, providing essential components for quantum networks, quantum repeaters, and distributed quantum computing applications where quantum states need to be preserved over time and distance.

Company Information

• Founded: 2022
• Country: United States
• Website: https://memq.tech
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Menlo Systems

Menlo Systems is a spin-off from the Max Planck Institute for Quantum Optics specializing in Nobel Prize-winning optical frequency comb technology for precision metrology and quantum applications. The company delivers ultrastable lasers, femtosecond lasers, terahertz systems, and complete turnkey systems for quantum technology 2.0, combining frequency combs with ultrastable reference lasers for quantum optics, spectroscopy, time/frequency distribution, and semiconductor testing. Menlo Systems has global presence in US, Japan, and China serving quantum research and industrial applications.

Mesa Quantum

Mesa Quantum develops chip-scale quantum sensing technologies that integrate quantum sensors with advanced semiconductors to create miniaturized quantum sensing devices for precision measurement applications, focusing on atomic magnetometry, inertial navigation, and quantum sensing solutions that can be deployed in portable and mobile platforms, enabling quantum-enhanced sensing capabilities for defense, aerospace, and commercial applications requiring ultra-precise measurements in challenging environments where traditional sensors cannot achieve required performance levels.

Company Information

• Founded: 2019
• Country: United States
• Website: https://mesaquantum.com
• Categories: hardware

Investment Information

• Status: private
• Total Raised: $5.65M
• Last Valuation: $40M

Recent Funding Rounds

• 2024-09-18: seed - $3.75M - Seed funding for chip-scale quantum sensors
• 2024-06-20: grant - $1.9M - Space Force grant for Alternative PNT applications

Related Companies

Explore other quantum computing companies in similar categories or regions.

MetOx International

MetOx International is a Houston-based manufacturer of second-generation high-temperature superconducting (2G HTS) wire and tape founded in 2000, developing cost-effective mass production methods for HTS materials. The company produces Yttrium Barium Copper Oxide (YBCO) superconducting wire with production capacities approaching 100 thousand kilometers per year, serving quantum computing and power industry applications. MetOx’s superconducting wire enables quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic quantum systems requiring high-performance superconducting materials. The company’s cost-effective manufacturing processes reduce superconductor costs, making quantum computing infrastructure more accessible. MetOx International serves quantum computing manufacturers, research institutions, cryogenic equipment providers, and quantum technology companies requiring reliable, high-quality superconducting wire for quantum processors, quantum communication systems, and quantum sensing applications operating at cryogenic temperatures.

Microsemi

Microsemi (now part of Microchip Technology) is the world leader in timing and network synchronization systems for highly accurate distribution using GPS-based timing, IEEE 1588 (PTP), Network Time Protocol (NTP), Synchronous Ethernet, and DOCSIS timing. Microsemi acquired Symmetricom in 2013 for $230 million and was subsequently acquired by Microchip Technology in 2018 for $8.35 billion. The company’s atomic clock products include the Chip-Scale Atomic Clock (CSAC-SA65) with operating temperatures from -10 to 70 degrees Celsius, 17 cubic centimeters in size, 35 grams weight, and only 120 milliwatts power. Microsemi’s MHM-2020 hydrogen maser offers the highest stabilities for any commercially available clock, designed for 20-year operating life with 95% of masers deployed since 1999 still operational. Products support quantum computing, communications, aerospace and defense, IT infrastructure, financial services, and power utilities with end-to-end timing solutions.

Montana Instruments

Montana Instruments is a USA-based manufacturer founded in 2014, providing integrated charcoal cryo-pumps for high vacuum operation in quantum computing applications. The company develops cryogenic systems and instruments for quantum research and quantum computing operations requiring ultra-low temperature environments. Montana Instruments manufactures cryostats and cryogenic platforms optimized for quantum processor testing, characterization, and operation at millikelvin temperatures. The company’s integrated cryogenic solutions enable researchers and quantum computing manufacturers to achieve stable ultra-low temperature environments essential for superconducting qubit operations. Montana Instruments serves quantum computing research laboratories, universities, and quantum hardware manufacturers requiring turnkey cryogenic solutions for quantum processor development, testing, and characterization applications. The company’s cryogenic platforms support quantum research across superconducting qubits, spin qubits, and other quantum computing modalities requiring cryogenic operation.

Munich Quantum Instruments

Munich Quantum Instruments develops state-of-the-art photonic quantum sensors for applications such as optical quantum computing, quantum sensing, and quantum communication. The company is part of the Munich Quantum Valley ecosystem and specializes in creating high-performance single-photon detectors and quantum light sources. Munich Quantum Instruments provides critical components for photonic quantum systems.

Company Information

• Founded: 2023
• Country: Germany
• Website: https://munichquantuminstruments.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Nanofiber Quantum Technologies

Nanofiber Quantum Technologies (NanoQT) is Japan’s first startup focused on quantum computer hardware development, employing a unique nanofiber-based Cavity QED (Quantum Electrodynamics) method to construct universal quantum computers. Leveraging over a decade of engineering innovation, NanoQT developed a proprietary nanofiber cavity that unlocks the advantage of cavity QED while maintaining compatibility with optical fiber and existing quantum processing unit architectures. The company’s interconnect technology is highly engineered for neutral-atom QPUs, providing a path beyond per-unit scalability limits. NanoQT announced the first closing of its $14 million Series A financing led by Phoenix Venture Partners, following more than $20 million in government R&D grants across Japan and the United States.

NanoQT

Nanofiber Quantum Technologies (NanoQT) is a Tokyo-based quantum technology company founded in 2022 that develops cavity-QED based, fiber-native quantum interconnects for networked quantum computing. The company secured $14 million in Series A funding in October 2025 led by Phoenix Venture Partners to build quantum interconnect infrastructure enabling scalable, modular quantum computing systems. NanoQT specializes in ultra-low-loss nanofiber cavity technology engineered for quantum processors, enabling strong atom-photon coupling and paving the way for scalable quantum interconnects that link quantum processing units via photons. With offices in Tokyo, Palo Alto, and College Park, the company focuses on developing quantum networking hardware essential for distributed quantum computing and quantum communication systems, contributing to Japan’s quantum technology ecosystem and advancing fiber-native quantum interconnect solutions for next-generation quantum computing architectures.

NanoSonic

NanoSonic develops advanced nanomaterials and coatings for quantum computing applications including low-loss dielectric materials, superconducting films, and specialized substrates that enhance the performance of quantum devices by reducing decoherence and improving qubit quality factors in superconducting quantum systems.

Company Information

• Founded: 1998
• Country: United States
• Website: https://nanosonic.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

NEC

NEC is a Japanese technology company that develops quantum annealing and gate-based quantum computing systems, creating quantum computers for optimization problems and quantum simulations while offering quantum cloud services and quantum software development tools, implementing ParityQC’s architecture in their first quantum processor and focusing on practical quantum applications in logistics optimization, financial modeling, and traffic management, serving Japanese enterprises and research institutions with quantum computing solutions that address real-world optimization challenges across telecommunications, transportation, and business intelligence applications as part of Japan’s national quantum computing strategy.

NIST

National Institute of Standards and Technology (NIST) is a USA federal agency founded March 3, 1901, located in Gaithersburg, Maryland and Boulder, Colorado, operating under United States Department of Commerce. NIST conducts quantum computing research developing quantum standards, quantum metrology, post-quantum cryptography standards, and quantum networking protocols. The Joint Quantum Institute (JQI) is collaboration between NIST and University of Maryland conducting fundamental quantum research spanning trapped ions, neutral atoms, superconducting qubits, and quantum simulation. NIST leads National Quantum Initiative coordination through National Quantum Coordination Office housed within White House Office of Science and Technology Policy. In 2024 NIST published first post-quantum cryptography standards (FIPS 203, 204, 205) protecting against quantum computer threats. NIST serves government agencies, industry, and research institutions requiring quantum standards, quantum measurement techniques, and quantum-safe cryptography standards. NIST advances quantum technology through fundamental research, standards development, and technology transfer supporting USA quantum leadership.

Nord Quantique

Nord Quantique is a pioneering quantum error correction company founded in 2020 in Sherbrooke, Quebec, that develops fault-tolerant quantum computers using bosonic codes and multimode encoding with their breakthrough Tesseract code, exploiting the natural redundancy of photons within quantum modes to achieve built-in error resilience without requiring more physical qubits, demonstrating industry-first quantum error correction at the qubit level with plans to deliver utility-scale machines exceeding 100 logical qubits by 2029 while consuming dramatically less energy than classical HPC systems.

Nucrypt

Nucrypt manufactures photonic instrumentation, including quantum entanglement generation, distribution, and measurement systems. The company develops advanced photonic components and systems for quantum communication, quantum key distribution, and quantum sensing applications. Nucrypt provides hardware solutions for quantum networks and secure quantum communication infrastructure with focus on practical deployment of quantum technologies.

Company Information

• Founded: 2019
• Country: United States
• Website: https://nucrypt.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

NVIDIA

NVIDIA provides quantum computing services and infrastructure through their CUDA Quantum platform and DGX Quantum systems that enable hybrid quantum-classical computing by combining quantum processors with NVIDIA’s GPU-accelerated computing platform, offering quantum simulation capabilities, quantum circuit optimization, and quantum machine learning tools that leverage classical GPU computing to enhance quantum algorithm development and execution across various quantum hardware platforms. In September 2025, NVIDIA announced the establishment of its NVIDIA Advanced Quantum Computing (NVAQC) research center in Boston, Massachusetts, focused on advancing hybrid quantum-classical algorithms, quantum error mitigation techniques, and GPU-accelerated quantum simulation for drug discovery and materials science applications, strengthening NVIDIA’s quantum computing ecosystem partnerships with leading quantum hardware providers.

NVision

NVision was established as a spin-off from the University of Ulm’s Institute of Quantum Optics and Institute of Theoretical Physics, leveraging nitrogen-vacancy centers in diamond for quantum sensing applications in medical imaging. Founded by Prof. Fedor Jelezko, Prof. Martin Plenio, Prof. Alex Retzker, and Ilai Schwartz (CTO), with Dr. Sella Brosh serving as CEO. The company raised $30 million Series A in June 2023 to deploy quantum-powered hyperpolarizers for MRI imaging, enabling earlier cancer treatment assessment. NVision’s technology fundamentally changes medical MRI by dramatically improving sensitivity through dynamic nuclear polarization using NV centers in diamond. The company bridges quantum physics and clinical medicine.

NXP Semiconductors

NXP Semiconductors is a global semiconductor manufacturer that has pioneered post-quantum cryptography in hardware, co-authoring the Crystals-Kyber lattice-based algorithm selected by NIST as a PQC standard in collaboration with IBM. In November 2024, NXP launched the i.MX 94 applications processor family, its first PQC-ready processor integrating quantum-safe encryption for industrial and automotive edge applications. NXP’s security specialists in Eindhoven focus on quantum-safe hardware solutions including hardware-based encryption accelerators, secure key storage, and cryptographic modules integrated directly into chips.

Oak Ridge National Laboratory

In 2024-2025, Oak Ridge National Laboratory achieved several major quantum computing milestones. In September 2025, Riverlane’s Deltaflow 2 real-time quantum error correction system was installed at ORNL, marking the first dedicated real-time QEC integration at a U.S. national laboratory. Also in September 2025, ORNL and Australian-German company Quantum Brilliance inaugurated the United States’ first on-site commercial quantum-computer cluster, the first of its kind to integrate a diamond-based quantum processor into a high-performance computing (HPC) environment. On August 29, 2025, ORNL released a comprehensive study outlining software architecture designed to integrate quantum computers with the world’s fastest supercomputers, notably the exascale machine Frontier. In November 2024, ORNL added IQM Resonance quantum cloud service to its Quantum Computing User Program. In August 2025, ORNL researchers developed a quantum microscope for nanoscale imaging and a multihop quantum network integrating with fibre-optic infrastructure. These developments demonstrate ORNL’s leadership in quantum-HPC integration.

Orange Quantum Systems

Orange Quantum Systems develops specialized quantum chip testing and characterization systems that enable quantum device manufacturers to validate and optimize their quantum processors through precise measurement and analysis capabilities, providing essential tools for quantum hardware development and quality control in the quantum computing supply chain.

Company Information

• Founded: 2020
• Country: Netherlands
• Website: https://orangeqs.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

ORCA Computing

ORCA Computing is a University of Oxford spinout founded in 2019 that develops photonic quantum computers using single photons and linear optical quantum computing, creating quantum systems that can operate at room temperature without requiring complex cryogenic cooling, focusing on near-term quantum applications in optimization and machine learning through their cloud-accessible photonic quantum processors, working to demonstrate quantum advantage in practical applications while building partnerships with enterprises and research institutions seeking photonic quantum computing solutions.

Orolia

Orolia (now Safran Navigation & Timing after 2022 acquisition) is the world leader in resilient PNT (Positioning, Navigation, Timing) solutions providing atomic clocks, time servers, GNSS simulation equipment, and emergency locator beacons for government, military, aerospace, and defense markets. Over 350 Orolia atomic clocks orbit Earth, with their Rubidium Atomic Frequency Standards (RAFS) achieving 2×10-14 stability over 10,000 seconds on Galileo satellites, plus integrated Passive Hydrogen Maser physics packages delivering micro atomic clocks for GNSS-denied battlefield environments.

Oscilloquartz

Oscilloquartz, founded in 1949 in Switzerland’s watchmaking region, is a timing and synchronization company now a subsidiary of Adtran since 2021. The company designs products for utilities, defense, finance, IoT, broadcasting, and mobile networks including 5G. ADVA developed groundbreaking optical cesium atomic clocks including the OSA 3300-HP high-performance optical cesium atomic clock, OSA 3350 ePRC+ (industry’s first ePRC optical cesium clock delivering 14-day holdover with 35 nanoseconds accumulated error), and OSA 3350 Super ePRC (SePRC) with extensive timing holdover and high-performance stability. These innovations address critical GNSS outages from jamming and spoofing attacks, offering vital backup for mission-critical infrastructures like mobile networks and power utilities. Oscilloquartz’s coreSync technology leverages optical-pumping techniques using laser diodes. POST Luxembourg deployed ADVA’s optical cesium atomic clock to combat GNSS attacks and improve PNT resilience. The solutions support quantum computing applications requiring ultra-precise timing synchronization.

Oxford Quantum Circuits

Oxford Quantum Circuits (OQC) is a UK-based quantum computing company that develops superconducting quantum computers featuring innovative 3D architecture and proprietary Coaxmon qubit technology. Founded in 2017 by quantum computing pioneers from Oxford University, OQC has built Europe’s most advanced quantum computing systems, including their flagship Lucy processor with proprietary qubit designs that offer improved coherence and reduced crosstalk. The company’s unique 3D quantum computing architecture enables better connectivity and scalability compared to traditional planar approaches. OQC operates the UK’s first commercial quantum computing service and has established partnerships with organizations including the European Space Agency and various government initiatives. Their quantum computers are accessible through major cloud platforms, serving customers in optimization, machine learning, and scientific computing. OQC’s combination of cutting-edge hardware innovation, commercial cloud services, and strong European positioning makes them a key player in the global quantum computing ecosystem, particularly for organizations seeking alternatives to US-based quantum cloud providers.

Pasqal

In June 2024, Pasqal achieved a significant milestone by successfully loading over 1,000 atoms in a single shot, trapping more than 1,110 atoms within approximately 2,000 traps, demonstrating the feasibility of large-scale neutral atom quantum computing. In December 2024, Pasqal deployed a 100-qubit neutral atom quantum computer at the Jülich Supercomputing Centre in Germany as part of the HPCQS project, expected to be available for use by June 2025. On May 13, 2025, Pasqal partnered with Google Cloud to offer its 100-qubit QPU on Google Cloud Marketplace, including tools for workflow integration and post-processing results with a flexible pay-as-you-go model. Pasqal’s roadmap targets 10,000 qubits by 2026, and in April 2024, the company partnered with Welinq to achieve projected 10,000-qubit QPUs with high-fidelity two-qubit gates in the 2026-2027 timeframe. The company is already delivering quantum computers with over 100 qubits to end users.

Peking University Quantum Materials and Devices Center

Peking University Quantum Materials and Devices Center is a major research center for quantum materials, devices, and computing, contributing talent to Chinese quantum companies. The center conducts fundamental research on quantum materials and devices. The center’s research spans topological materials, superconducting materials, and quantum devices, providing scientific foundations for China’s quantum hardware development and training the next generation of quantum scientists.

Company Information

• Founded: 2015
• Country: China
• Website: https://pku.edu.cn
• Categories: hardware, quantum components, quantum education, quantum investment, quantum research, superconducting, topological

Related Companies

Explore other quantum computing companies in similar categories or regions.

Photon Queue

Photon Queue is the first startup from University of Illinois Urbana-Champaign accepted into Duality Accelerator and the first quantum-focused UIUC startup, led by current and former PhD students from physics professors Paul Kwiat and Virginia Lorenz’s labs, based on research from Kwiat’s group. The company develops efficient and less costly quantum memories by storing single photons in free-space storage loops using optical switches paired with high-reflectivity mirrors, avoiding complex transduction processes required by other quantum memory approaches. Photon Queue’s unique approach keeps photonic qubits intact through motion in compact spaces, avoiding costly cryogenics, ovens, or vacuums, designed to work with virtually any single photon source. The technology uses multiplexed optical delay lines and Herriott cells for compact, efficient photon storage. Photon Queue joined Chicago Quantum Exchange as corporate partner. Applications include quantum communication, computing, and metrology requiring photon storage and retrieval for quantum information processing and distributed quantum systems.

Photonic Inc

Photonic Inc develops fault-tolerant quantum computers using silicon photonic technology and spin-photon interfaces to create distributed quantum systems that can operate at telecommunications wavelengths, enabling networking capabilities and room-temperature operation for quantum computing applications in optimization, machine learning, and distributed quantum computing networks.

Company Information

• Founded: 2016
• Country: Canada
• Website: https://photonic.com
• Categories: hardware

Investment Information

• Status: private
• Total Raised: $109M
• Last Valuation: $400M

Recent Funding Rounds

• 2023-03-14: series-a - $100M - Series A funding round led by Microsoft
• 2021-04-08: seed - $9M - Seed funding round

Related Companies

Explore other quantum computing companies in similar categories or regions.

PhotonPath

PhotonPath is a pioneer in integrated photonics developing proprietary silicon photonics chipsets and plug-and-play modules for quantum applications. Founded by Douglas Aguiar (CEO) and Emanuele Guglielmi (CTO) during their PhD and Post-Doc research at Politecnico di Milano, the company spun off from the university and was nurtured within PoliHub deep-tech hub. PhotonPath raised €5.1 million Series A in 2025 to scale manufacturing. Their patented technology enables ultra-compact, energy-efficient solutions for quantum communications, sensing, and computing applications. The company operates R&D labs and manufacturing facilities in Milan and Trento, with applications extending to hyperscale data centers, telecom networks, and aerospace systems.

PicoQuant

PicoQuant is a leading research and development company specialized in optoelectronics, founded in 1996 and headquartered in Berlin-Adlershof science and technology park, Germany, as a worldwide leader in single photon counting applications. The company’s products for photon counting include high-end modules for time-correlated single photon counting (TCSPC) and event timing, single photon sensitive detectors, and specialized analysis software for time-resolved fluorescence measurements and quantum correlations. PicoQuant’s photon counting detectors include photomultiplier tubes (PMT), Hybrid photomultiplier detectors (HPD), and Single Photon Avalanche Diodes (SPAD) covering spectral ranges between UV and NIR with timing resolutions in the picosecond range. The PDM SPAD series covers 400 nm to 1000 nm with better than 50 ps (FWHM) photon timing resolution. PicoQuant’s product portfolio encompasses picosecond pulsed diode lasers, ultra-fast time taggers, photon counters, single photon detectors, time-resolved confocal microscopes, and fluorescence lifetime spectrometers for life sciences, materials sciences, and quantum technologies.

Pilot Photonics

Pilot Photonics is a Dublin-based laser product development company founded in 2011, specializing in unique photonic integrated circuit (PIC)-based laser products exceeding capabilities of current market offerings. The company was spun out from DCU and Tyndall National Institute based on a decade of photonics research at two Irish centers of excellence. Pilot Photonics developed the world’s only photonic integrated comb laser source, an optical comb source bringing benefits to optical communication networks, gas sensing, and atomic clocks used in satellites for GPS navigation. In 2025, Pilot Photonics secured major European funding to develop key technologies for Co-Packaged Optics (CPO) scaling. Based at DCU Alpha in Dublin, the company serves telecommunications, sensing, and quantum technology markets with advanced laser and PIC solutions enabling quantum computing and quantum communication applications.

PINC Technologies

PINC Technologies is a Pasadena-based Caltech spinout founded in 2023 that develops scalable nonlinear photonic integrated circuits for quantum computing applications. The company emerged from stealth in October 2025 with $6.8 million in seed funding led by BootstrapLabs, with participation from Catalus Capital and Convergent Ventures, to unlock scalable nonlinearity for photonic chips through their proprietary NanoPPLN platform. PINC’s technology brings high-performance nonlinear optics to integrated photonic circuits, enabling applications in quantum computing, optical sensing, artificial intelligence, data networks, biomedical devices, atomic clocks, lidar, and metrology. The company’s NanoPPLN platform addresses the missing scalable nonlinearity in photonic integrated circuits, making nonlinear optics fully integrated and scalable for next-generation quantum and photonic systems, contributing to advances in quantum photonics and enabling new capabilities across multiple technological domains requiring integrated nonlinear optical components. The seed funding will be used to scale production of their NanoPPLN chips and expand commercial partnerships in quantum computing and photonic systems industries.

Pixel Photonics

Pixel Photonics develops advanced photonic components and systems for quantum computing and quantum communication applications. The German company specializes in integrated photonics and silicon photonics technologies that enable scalable quantum systems. Pixel Photonics creates building blocks for photonic quantum processors and quantum networks.

Company Information

• Founded: 2023
• Country: Germany
• Website: https://pixelphotonics.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Planckian

Planckian is a Pisa-based quantum technology startup that emerged as a joint spinoff from the University of Pisa and Scuola Normale Superiore to pioneer groundbreaking solid-state energy technology using quantum mechanics. The company secured €2.7 million in pre-seed funding in July 2023 led by CDP Venture, Exor Ventures, and private investors to transcend traditional electrochemical approaches in energy technology. Planckian’s research focuses on leveraging quantum effects to enable qubits to achieve collective higher energy states, with potential applications in revolutionizing sustainable energy solutions including quantum batteries capable of indefinite energy storage. The company also develops superconducting quantum computers with innovative global control schemes, combining quantum battery research with quantum computing hardware development. Founded by leading quantum researchers including Marco Polini (Chief Scientific Officer) and Vittorio Giovannetti (Executive Scientific Advisor), Planckian represents Italy’s push into quantum energy applications and next-generation quantum processor architectures.

Prenishq

Prenishq Pvt. Ltd. is a Delhi-based quantum hardware company incubated at IIT Delhi, selected for support under India’s National Quantum Mission (NQM) and the National Mission on Interdisciplinary Cyber-Physical Systems (NMICPS). The company develops and commercially deploys high-precision diode laser systems essential for quantum computing and sensing technologies. Prenishq’s precision diode-laser systems are critical components for controlling quantum states in quantum processors, quantum communication systems, and quantum sensing applications. Union Minister Dr. Jitendra Singh announced Prenishq’s selection as one of eight pioneering startups supported by the Department of Science and Technology’s quantum technology initiative, establishing India’s competitive position in the global quantum technology race.

Princeton University

Princeton University is a private Ivy League research university founded 1746 in Princeton New Jersey. Princeton Center for Complex Materials and Princeton Quantum Initiative provide top training in quantum information science. Princeton conducts quantum research spanning quantum processors quantum algorithms quantum materials quantum networks and quantum simulation. The university quantum programs advance fundamental quantum science and quantum technology development. Princeton maintains research partnerships with government laboratories and quantum computing companies. Princeton serves quantum research community through quantum physics research quantum engineering programs and quantum education advancing quantum information science and quantum technology development supporting USA quantum competitiveness and scientific leadership in quantum computing.

Promwad

Promwad is an international electronics design house offering custom hardware and embedded software development with specialized expertise in FPGA-based solutions for quantum computing. Headquartered in Germany with engineering offices in Lithuania, Latvia, Poland, and Serbia, the company develops FPGA-based digital logic for real-time control signal generation and modulation of qubits using high-speed DACs and PLLs. Promwad’s FPGA technologies serve as essential building blocks in quantum computers for readout boards, parallel processing, and custom instrumentation. The company provides advanced FPGA-based development solutions for quantum computing hardware, working with Xilinx and other FPGA platforms. Promwad serves telecom, automotive, industrial automation, and quantum computing industries.

Promwad Engineering

Promwad Engineering provides FPGA-based quantum computing control systems and embedded electronics design services. With engineering offices in Poland and across Eastern Europe, the company specializes in developing quantum control hardware using Xilinx RFSoC and other FPGA platforms. Promwad’s engineering capabilities include high-speed DACs, complex SoC architectures, and real-time signal processing for qubit manipulation. The company serves quantum computing startups and research institutions requiring rapid prototyping and custom FPGA development for quantum processor control. Their expertise spans telecommunications, industrial automation, and quantum computing applications with focus on FPGA design and high-speed interfaces.

PsiQuantum

In September 2025, PsiQuantum announced the closing of a $1 billion Series E funding round, valuing the company at $7 billion and enabling construction of utility-scale quantum sites in Brisbane, Australia, and Chicago, United States. The round was led by affiliates of BlackRock and backed by Temasek, Baillie Gifford, Macquarie Capital, Ribbit Capital, NVentures, Adage Capital Management, the Qatar Investment Authority, Type One Ventures, Counterpoint Global, 1789 Capital and S Ventures. The company secured significant funding from the Australian and Queensland governments in 2024 to build the world’s first utility-scale, fault-tolerant quantum computer in Brisbane with target completion by the end of 2027. In February 2025, DARPA selected PsiQuantum to advance to the final phase of its Utility-Scale Quantum Computing Program. On April 15, 2025, PsiQuantum secured a $10.8 million contract with the Air Force Research Laboratory (AFRL). The company is now breaking ground on major facilities in both Chicago and Brisbane, building million-qubit scale fault-tolerant quantum computers using high-volume manufacturing of integrated photonic chips and 300 mm wafers produced at GlobalFoundries Fab 8 in New York.

Q-CTRL

Q-CTRL is a leading quantum technology company specializing in quantum control infrastructure software that makes quantum computing hardware more stable, reliable, and useful. Founded in 2017 by Michael Biercuk, a quantum physicist from the University of Sydney, Q-CTRL has developed a comprehensive suite of quantum firmware and software tools that apply machine learning and control theory to reduce errors in quantum systems. The company’s products include Fire Opal for quantum circuit optimization, Black Opal for quantum computing education, and Boulder Opal for quantum control optimization. Q-CTRL’s technology has been validated on quantum computers from major providers including IBM, Google, and Rigetti, demonstrating significant improvements in quantum algorithm performance through error suppression and noise mitigation. The company serves customers ranging from quantum hardware developers to end-users seeking better quantum computing results. With partnerships across academia, government, and industry, Q-CTRL is positioned as a critical infrastructure provider in the quantum computing stack, helping bridge the gap between today’s noisy quantum devices and tomorrow’s fault-tolerant quantum computers. On September 16, 2025, Q-CTRL announced a strategic partnership with QUCAN Quantum Technologies (QUCAN), merging complementary strengths in quantum control software and hardware to deliver quantum sensing solutions optimized for real-world field deployment, initially targeting defense and aerospace applications. On October 9, 2025, Q-CTRL’s Ironstone Opal, a ruggedized quantum sensor system designed for navigation in GPS-denied environments, was named one of TIME magazine’s Best Inventions of 2025, recognized for its ability to provide precise positioning data where traditional navigation systems fail.

Q.ANT

Q.ANT develops photonic quantum computing technologies and quantum photonics components for quantum information processing, quantum sensing, and quantum communication applications, leveraging advanced photonic integration and quantum optics to create practical quantum systems for commercial and research applications.

Company Information

• Founded: 2018
• Country: Germany
• Website: https://qant.de
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Qilimanjaro

Qilimanjaro Quantum Tech is a Barcelona Supercomputer Center spinout founded in 2019 that develops quantum computing solutions combining quantum annealing and gate-model quantum computing approaches, creating hybrid quantum-classical systems that can solve optimization problems and quantum simulations for industries including finance, logistics, and materials science, leveraging Spain’s supercomputing expertise and European quantum initiatives to advance practical quantum computing applications with focus on near-term quantum advantage in optimization and simulation problems. In September 2025, Qilimanjaro announced a strategic partnership with Qblox, a Netherlands-based quantum control hardware company, to integrate Qblox’s control electronics with Qilimanjaro’s superconducting quantum processors, enabling enhanced scalability and performance for their quantum computing systems through advanced control and readout capabilities. In October 2025, Qilimanjaro joined the IMPAQT UA cooperative consortium as the first analog quantum computing company, focused on building interoperable and scalable quantum systems through collaborative research and development with other European quantum technology organizations. In October 2025, Qilimanjaro Quantum Tech and QURECA signed a collaboration agreement for quantum education, including workshops on analog and hybrid quantum computing with hands-on access to Qilimanjaro’s platform to advance quantum computing education and workforce development.

Qolab

Qolab is a Madison, Wisconsin-based superconducting quantum computing company founded in 2022 by Dr. John Martinis, former Google Quantum AI lead scientist, and Dr. Robert McDermott from the University of Wisconsin-Madison. The company secured over $16 million in Series A financing led by Octave Ventures with co-investment from Development Bank of Japan Inc., Wisconsin Alumni Research Foundation, and Phoenix Venture Partners to develop reliable, high-performance quantum processors. Led by CEO Alan Ho, Qolab combines a physics-driven approach with a focus on qubit quality and practical hardware solutions, leveraging semiconductor fabrication tools and innovative scaling techniques for quantum computing systems. The company’s mission is to develop utility-scale quantum computing technology that meets the growing demand for reliable quantum processors, building on the pioneering work of its founders in superconducting quantum systems and quantum error correction.

Qruise

Qruise is a German quantum control software company founded in 2018 as a Forschungszentrum Jülich spinoff that develops machine learning-powered software for quantum device development, creating ‘digital twin’ simulators and automated optimization algorithms that replace manual work traditionally done by quantum physicists, with strategic partnerships with Quantum Machines and Zurich Instruments to integrate their ML Physicist software into quantum control systems for automated qubit tune-up, gate optimization, and device characterization across superconducting and Rydberg atom quantum platforms.

Quan2D Technologies

Quan2D Technologies is a Bengaluru-based quantum hardware company selected for support under India’s National Quantum Mission by the Department of Science and Technology (DST). The company specializes in developing superconducting nanowire single-photon detectors (SNSPDs) for quantum communication, quantum computing, and quantum sensing applications. Quan2D’s SNSPDs are critical components enabling quantum key distribution, satellite-based secure quantum communications, and multi-node quantum networks. The company contributes to India’s goal of developing satellite-based secure quantum communications between ground stations over 2000 km within India, long-distance secure quantum communications with other countries, and inter-city quantum key distribution networks with quantum memories.

Quanastra

Quanastra Pvt. Ltd. is a Delhi-based quantum hardware company selected under India’s National Quantum Mission (NQM), developing cutting-edge superconducting nanowire single-photon detectors (SNSPDs) and advanced cryogenic systems for quantum communication, computing, and imaging applications. The company offers custom SNSPD chips in seven configurations for wide-ranging quantum and research applications, providing high-efficiency superconducting solutions for quantum tech, telecom, and scientific research. Quanastra creates customizable cryogenic systems and advanced superconducting detectors to support quantum sensing and communication efforts. Selected startups receive infrastructure, mentoring, and industry connections through rigorous evaluation by the I-HUB Quantum Technology Foundation, accelerating innovation in secure communication, superconducting systems, and sensing technologies.

Quandela

Quandela is a French photonic quantum computing company founded in 2017 that specializes in developing modular photonic quantum computers using single-photon sources and quantum light manipulation, creating scalable quantum systems based on photonic qubits that operate at room temperature, offering cloud-accessible quantum processors and quantum light sources for research institutions and enterprises working on quantum computing applications in optimization, machine learning, and quantum simulation, with focus on making photonic quantum technology commercially viable for various industries.

Quantic X-Microwave

Quantic X-Microwave was founded in 2013 by John Richardson and Raymond Page in Austin, Texas, opening for business in 2015, acquired by Quantic Electronics in August 2021. The company delivers industry-leading performance through advanced RF and microwave solutions for aerospace, defense, quantum computing, wireless infrastructure, and radar applications. Quantic X-Microwave offers patented X-MWsystem modular design technology revolutionizing RF and microwave industry, consisting of large portfolio of modular X-MWblock drop-in components featuring amplifiers, mixers, switches, and attenuators. The company serves quantum computing sector with specialized RF and microwave components for demanding quantum processor control and readout systems. Quantic X-Microwave provides quick turn simulation, prototyping, and production services for quantum computing manufacturers, research laboratories, and aerospace companies requiring high-performance modular RF solutions for quantum technology applications and quantum computing control systems.

Quantinuum

In 2024-2025, Quantinuum achieved several historic milestones with its H-series quantum computers. The company surpassed a quantum volume of one million (1,048,576 or 2^20) and later achieved 33.5 million, surpassing competitors by a factor of 16,000. Quantinuum achieved ’three 9’s’ (99.9%) 2-qubit gate fidelity in its commercial quantum computer. In collaboration with Microsoft, the company demonstrated the most reliable logical qubits to date, with error rates 800 times lower than corresponding physical circuit error rates, advancing Quantinuum’s System Model H2 to Microsoft’s Level 2—Resilient phase of quantum computing. With JPMorgan Chase, Quantinuum achieved a 100x improvement over existing industry benchmarks using the H2-1 quantum computer with 56 trapped-ion qubits, setting a new world record for the cross entropy benchmark. The company announced its next system, Helios, set to launch in 2025 with 96 qubits and enhanced computational capabilities expected by mid-2025. In August 2025, Quantinuum raised approximately $400 million in a Series B funding round at a valuation of $10 billion. The round included a $50 million investment from Quanta at $26.76 per share, marking a major milestone in quantum computing financing. This Series B positions Quantinuum as one of the highest-valued quantum computing companies globally and provides capital to advance the development of the Helios system and expand commercial quantum computing services.

Quantum Brilliance

Quantum Brilliance develops revolutionary room-temperature quantum accelerators using synthetic diamond with nitrogen-vacancy centers as qubits, eliminating the need for cryogenic cooling systems while creating compact quantum computers suitable for edge computing, mobile platforms, and space applications where traditional quantum systems cannot operate. In October 2025, Quantum Brilliance partnered with CyberSeQ and LuxProvide to develop quantum-secure encryption methods aligned with Post-Quantum Cryptography (PQC), using their virtual quantum processing unit to generate certified true random numbers for integration into PQC algorithms validated on LuxProvide’s MeluXina supercomputer.

Quantum Circuits Inc

Quantum Circuits Inc develops superconducting quantum computers with focus on novel qubit designs and quantum error correction techniques, working to advance the scalability and performance of superconducting quantum systems through innovative circuit architectures and control methodologies for practical quantum computing applications.

Company Information

• Founded: 2015
• Country: United States
• Website: https://quantumcircuits.com
• Categories: hardware

Investment Information

• Status: private
• Total Raised: $80M
• Last Valuation: $300M

Recent Funding Rounds

• 2024-08-15: series-b - $60M - Series B funding for dual-rail qubit quantum systems with built-in error detection
• 2021-03-18: series-a - $20M - Series A funding round

Related Companies

Explore other quantum computing companies in similar categories or regions.

Quantum Dice

Quantum Dice is a UK quantum hardware company founded in 2019 that develops quantum random number generators using quantum tunneling effects in semiconductor devices to produce true quantum randomness, creating compact quantum entropy sources and random number generation hardware for cybersecurity, cryptography, and secure communications applications, providing quantum random number generators, entropy devices, and quantum-safe randomness solutions for telecommunications providers, cybersecurity companies, and organizations requiring certified high-quality entropy sources for encryption keys, digital signatures, and secure protocols that leverage quantum physical processes for unpredictable randomness generation.

Quantum Flow Technologies

Quantum Flow Technologies manufactures specialized pumps and fluid handling equipment for quantum computing infrastructure. The company provides vacuum pumps, cryogenic fluid handling systems, and precision flow control equipment essential for quantum computer cooling systems. Quantum Flow Technologies serves quantum hardware manufacturers requiring ultra-reliable fluid and vacuum systems for maintaining quantum processor operating conditions.

Company Information

• Founded: 2018
• Country: United States
• Website: https://www.quantumflowtech.com
• Categories: hardware, quantum infrastructure

Related Companies

Explore other quantum computing companies in similar categories or regions.

Quantum Machines

In 2024-2025, Quantum Machines is hosting the AQC25 (Adaptive Quantum Circuits Conference) taking place November 12-14, 2025, in Boston, bringing together global experts from MIT, Yale, USC, Google Quantum AI, and Amazon Braket to advance adaptive quantum methods and define the future of scalable quantum computing applications. A Novera QPU has been co-located at the Israeli Quantum Computing Center (IQCC) with Quantum Machines’ OPX1000 control system and NVIDIA’s Grace-Hopper superchip servers. This setup was leveraged for a reinforcement learning project presented at IEEE Quantum Week 2024 in September, demonstrating the optimization of single qubit operations on the Novera QPU for quantum machine learning development. Quantum Machines continues to collaborate with tech firms such as Classiq to develop hybrid quantum-classical computing systems aimed at tackling challenging computational problems, with control systems scaling to support large numbers of qubits needed for error correction.

Quantum Microwave

Quantum Microwave offers millimeter and microwave low noise amplifiers, attenuators, cryogenic products, mixers, multipliers, bias tees, filters, and more for quantum computing applications. The company provides cryogenic testing available at 4K and 10 mK temperatures. Quantum Microwave’s cryogenic components are designed with OFHC Copper for optimal thermal conductivity in ultra-low temperature environments. The company’s amplifiers and attenuators minimize noise at cryogenic temperatures, enabling accurate detection of quantum signals. On quantum computer control lines, attenuators reduce thermal radiation and signal power to levels suitable for qubit control, while amplifiers on readout lines make quantum signals detectable at room temperature. Quantum Microwave serves quantum computing manufacturers requiring high-performance RF and microwave components for superconducting quantum processors, trapped ion systems, and other quantum computing platforms requiring ultra-low noise cryogenic signal processing.

Quantum Source

Quantum Source is an Israeli photonic quantum computing company founded in 2021 by semiconductor veterans including CEO Oded Melamed and Professor Barak Dayan, developing breakthrough technology that harnesses single rubidium atoms trapped on proprietary photonic chips to generate single photons and implement atom-photon entangling quantum gates with five orders of magnitude better efficiency than state-of-the-art implementations, enabling the construction of complex 3D cluster states for error-correction with over $77 million in funding to build large-scale quantum computers by the decade’s end.

Quantum Transistors

Quantum Transistors is an Israeli company developing novel quantum computing hardware based on semiconductor quantum devices. The company is among Israel’s quantum computing startups working on advancing qubit technology. Quantum Transistors focuses on creating scalable quantum processors using innovative transistor-based architectures.

Company Information

• Founded: 2023
• Country: Israel
• Website: https://quantumtransistors.com
• Categories: quantum processors, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

QuantumLeap AI

QuantumLeap AI develops quantum machine learning software and AI-powered quantum algorithm optimization tools. The company combines quantum computing with classical AI to create hybrid systems for complex data analysis and pattern recognition. QuantumLeap AI’s platform provides tools for quantum neural network development, quantum feature extraction, and quantum-enhanced AI model training. Target applications include drug discovery, materials science, and financial modeling where quantum machine learning can provide advantages. Based in London, QuantumLeap AI collaborates with AI researchers and quantum computing companies. The company focuses on practical quantum machine learning applications deliverable on near-term quantum hardware. QuantumLeap AI offers both software tools and consulting services for quantum AI development.

QuantWare

QuantWare is a TU Delft/QuTech spinout founded in 2020 by Dr. Alessandro Bruno and MSc Matthijs Rijlaarsdam that became the world’s first company to commercially manufacture superconducting quantum processors for third parties, offering off-the-shelf QPUs like the 5-qubit Soprano and 25-qubit Contralto. In March 2025, QuantWare raised €20 million in Series A funding co-led by Invest-NL Deep Tech Fund and Innovation Quarter to accelerate development of their revolutionary VIO technology, which solves scaling bottlenecks by routing connections vertically in 3D, enabling superconducting quantum processors to scale to thousands of qubits and potentially millions in a single processor. The company’s foundry services enable customers to build full-stack quantum computers at one-tenth the cost of competing solutions, with total funding now exceeding $32.9 million to lower barriers to entry in quantum computing and unlock the fastest path towards quantum computers with unprecedented qubit counts.

QuantX Labs

QuantX Labs develops quantum optical atomic clocks including TEMPO, offering up to 10x performance improvement over GNSS-based systems in a compact package suitable for land or space deployment. In partnership with the University of Adelaide, QuantX will launch the first orbital demonstration of an optical frequency comb component via SpaceX in December 2025, supported by a $3.7 million grant from the Australian Space Agency’s Moon to Mars initiative. The company focuses on space-grade quantum timing solutions for navigation and communications.

Qubitekk

Qubitekk specializes in quantum networking hardware including quantum key distribution systems, quantum random number generators, and quantum communication components that enable secure quantum networks and quantum internet infrastructure for government, defense, and commercial applications requiring ultra-secure communications.

Company Information

• Founded: 2012
• Country: United States
• Website: https://qubitekk.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

QUDORA

QUDORA is a German quantum computing developer specializing in trapped-ion quantum computers using Near-Field Quantum Control (NFQC) technology. The company’s flagship NFQC technology relies on ions confined in electromagnetic traps and manipulated with finely tuned laser pulses, enabling room-temperature operation that reduces infrastructure costs compared to superconducting circuits requiring millikelvin temperatures. QUDORA’s compact, scalable architecture allows dozens of ions to be entangled in a single chip-scale module to create fault-tolerant quantum processors capable of running complex algorithms in minutes with cloud-based workflow compatibility. In September 2025, QUDORA announced a strategic collaboration with South Korean research institutions and technology partners to establish quantum computing research centers in Seoul and Daejeon, focusing on quantum applications for advanced materials, battery technology, and semiconductor manufacturing, positioning South Korea as a key market for QUDORA’s Asia-Pacific expansion strategy. In October 2025, QUDORA closed a strategic partnership with Kensho, a Taiwanese distributor, to accelerate quantum computing commercialization in Taiwan, combining QUDORA’s trapped-ion platform with Kensho’s deep ties to Taiwan’s precision-manufacturing sector to bring quantum-enhanced tools into laboratories, factories, and corporate data centers across Asia-Pacific. The alliance generated significant attention at SEMICON Taiwan 2025, targeting applications in semiconductor design, pharmaceutical research, and industrial optimization while expanding QUDORA’s presence beyond Europe into the strategically important Asia-Pacific market.

QuEL

QuEL is an Osaka University-affiliated startup established in 2021 that supplies novel qubit controllers for quantum computing researchers. The company develops advanced control electronics and software for precise qubit manipulation in quantum computers. QuEL’s technology enables improved quantum gate fidelity and better overall quantum computer performance through sophisticated control systems.

Company Information

• Founded: 2021
• Country: Japan
• Website: https://www.quel.jp
• Categories: quantum control, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

QuEra Computing

In April 2024, QuEra Computing added local qubit control to its 256-qubit quantum computer Aquila, allowing for more flexibility in programming qubits independently and broadening the range of problems the computer can solve. In May 2024, QuEra Computing expanded its Boston headquarters to meet growing demand for quantum computers in the US, Europe, and Asia, having recently signed deals with the UK’s National Quantum Computing Centre and Japan’s National Institute of Advanced Industrial Science and Technology. QuEra announced a strategic roadmap for error-corrected quantum computers, aiming to reach 100 logical error-corrected qubits by 2026, with a quantum computer featuring ten logical qubits in 2024, an enhanced model with 30 logical error-corrected qubits in 2025, and a third-generation model with 100 logical qubits in 2026. QuEra’s Aquila remains the first and only publicly accessible neutral atom quantum computer, available through Amazon Braket, using programmable arrays of neutral Rubidium atoms trapped in vacuum by tightly focused laser beams.

QuiX Quantum

QuiX Quantum develops integrated photonic quantum processors using silicon photonics technology to create scalable quantum computing systems that operate at room temperature, focusing on photonic quantum circuits and quantum interferometry for applications in quantum simulation, optimization, and quantum machine learning.

Company Information

• Founded: 2019
• Country: Netherlands
• Website: https://quixquantum.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Quobly

Quobly (formerly Siquance) develops quantum hardware solutions with focus on superconducting quantum devices and quantum system integration, working to advance European quantum computing capabilities through innovative quantum technologies and collaborative research with academic and industrial partners.

Company Information

• Founded: 2022
• Country: France
• Website: https://quobly.io
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Quside

Quside is a Spanish quantum technology company founded in 2017 that develops quantum random number generators (QRNGs) and quantum entropy sources for cybersecurity, cryptography, and secure communications applications, providing true random number generation based on quantum physical processes that ensure unpredictable and unbiased randomness essential for encryption keys, secure protocols, and high-security applications in telecommunications, finance, and government sectors requiring certified quantum-grade randomness for cryptographic security.

Company Information

• Founded: 2017
• Country: Spain
• Website: https://quside.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

QuSpin

QuSpin develops optically pumped magnetometers (OPM) for biomedical and geophysical applications, offering the first non-cryogenic replacement for superconducting magnetometers. Founded by Dr. Vishal Shah (PhD in atomic physics from University of Colorado Boulder), the company was established with NIH research funding. QuSpin’s wearable OPM systems enable magnetoencephalography (MEG) for detecting neural activity without requiring cryogenic cooling. Their technology brings quantum sensing to practical field applications in brain imaging and resource exploration. QuSpin has established itself as a leader in compact, room-temperature quantum sensors with deployment across medical and scientific research facilities.

qutools

qutools is a Munich-based company specializing in quantum optics instrumentation and photonic quantum technology equipment. The company manufactures single-photon detectors, quantum random number generators, and complete quantum optics setups for research and education. qutools provides essential instrumentation for quantum physics laboratories and quantum technology development worldwide.

Company Information

• Founded: 2008
• Country: Germany
• Website: https://qutools.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Radiall

Radiall is a global manufacturer of interconnect solutions that has developed specialized cryogenic components for quantum computing applications. The company launched the F2C-40 Floating Cryogenic Cluster, a 40-pin high-density multi-coaxial solution providing excellent performance up to 18GHz in cryogenic environments for high qubit quantum computing devices. Radiall participates in France’s QRYOLink R&D program (€8M budget, 54-month duration) supported by the French government, collaborating with Alice & Bob, cryostat manufacturers, and qubit developers. Their comprehensive quantum interconnect offering includes RF connectors, cable assemblies, attenuators, switches, and fiber optics. Radiall operates facilities in Grenoble, France’s quantum hub.

Rambus

Rambus is a semiconductor and intellectual property company headquartered in Sunnyvale, California, founded in 1990 by Mark Horowitz, Mike Farmwald, and Geoffrey Tate. Rambus offers Quantum Safe IP solutions that secure data and hardware against quantum computer attacks using NIST and CNSA selected algorithms. The CryptoManager RT-6xx Root of Trust cores support FIPS 203 ML-KEM, FIPS 204 ML-DSA, and FIPS 205 SLH-DSA standards. The Rambus Quantum Safe Crypto Library offers cryptographic algorithms for the Post Quantum Cryptography (PQC) era with focus on performance and reliability. Rambus Root of Trust IP implements quantum-resistant CRYSTALS-Kyber for key-encapsulation and CRYSTALS-Dilithium for digital signatures. The company delivers quantum-safe IP solutions with next-generation Root of Trust for data center security, protecting infrastructure against quantum computing threats. Rambus serves semiconductor manufacturers, data center operators, cloud providers, and IoT device manufacturers requiring quantum-resistant cryptographic hardware implementations.

ResQuant

ResQuant is a Lodz, Poland-based deep-tech cybersecurity startup founded in 2020 by Dr. Michał Andrzejczak (PhD in Computer Science at Military University of Technology Warsaw) and Tomasz Szcześniak, providing the only hardware-implemented post-quantum cryptography solution in the EU. ResQuant develops proprietary hardware PQC accelerators and secure element chiplets built on GF 22nm technology for next-generation connected devices. The company offers single algorithm implementations including Dilithium, Kyber, SHAKE, AES, XMSS, and SPHINCS+ compliant with NIST post-quantum cryptography standards. ResQuant raised EUR 275K from accelerators and investors including Lighthouse Ventures and Invento Capital, supporting ESA projects developing post-quantum cryptography for satellite communications. ResQuant addresses quantum computing threats to current cryptographic systems through hardware-accelerated post-quantum encryption for defense, space, IoT, and critical infrastructure sectors.

Rigetti Computing

In 2024-2025, Rigetti Computing completed a $350 million at-the-market equity offering during Q2 2025, bolstering the company’s cash position to approximately $575 million with no debt. In December 2024, Rigetti launched its 84-qubit Ankaa-3 quantum processor, achieving record-high fidelity with a 99.0% median iSWAP gate fidelity and 99.5% median fSim gate fidelity. In 2025, Rigetti unveiled Cepheus-1-36Q, a 36-qubit multi-chip quantum computer now generally available, demonstrating a two-fold reduction in two-qubit gate error rate compared to the preceding Ankaa-3 system, achieving a median two-qubit gate fidelity of 99%. The company anticipates releasing a 100+ qubit system, also chiplet-based, with a target median two-qubit gate fidelity of 99.5% before the end of 2025. In collaboration with Riverlane and the National Quantum Computing Centre (NQCC), Rigetti won £3.5 million from Innovate UK to enhance quantum error correction capabilities on superconducting quantum computers.

Rotonium

Rotonium is an Italian deep-tech startup founded in 2022 that secured €1 million in seed funding led by Galaxia and CDP Venture Capital to advance single-photon qudit technology for room-temperature quantum computing. The company develops silicon photonics components that enable quantum computers to operate at room temperature, allowing for compact, versatile systems usable on Earth, in the air, and in space. Rotonium’s technology is designed to operate in energy-constrained environments like space, positioning the company as a potential leader in edge quantum computing applications. The company focuses on quantum computing for space and edge applications where traditional cryogenic quantum computers are impractical, with plans to collaborate with universities and research centers to advance next-generation quantum processing capabilities. Rotonium’s room-temperature approach using single-photon qudits represents a distinct architectural path from traditional superconducting and trapped-ion approaches, targeting specialized applications in aerospace and edge computing markets.

SAES Rial Vacuum

SAES Rial Vacuum specializes in designing, modeling, manufacturing, and testing advanced integrated vacuum systems for accelerators, quantum computing, and industrial applications. Originally founded as RIAL VACUUM RESEARCH in Parma in 1973, the company was reconstituted as SAES Rial Vacuum in 2015 and acquired by SAES Getters in October 2021, becoming fully integrated into the SAES Group in 2022. The company produces custom ultra-high vacuum chambers and components for quantum computing applications, leveraging decades of expertise in the ultra-high vacuum and cryogenic field. SAES Rial Vacuum operates a 1200 m² facility in Parma producing quantum chambers and UHV systems for leading scientific institutions.

Samsung Electronics

In September 2024, SK Telecom unveiled the Samsung Galaxy Quantum 5, a fifth-generation smartphone combining quantum technology with Samsung Knox security platform. The Galaxy Quantum 5 features a tiny Quantum Random Number Generator (QRNG) chipset designed by ID Quantique and Samsung, enabling trusted authentication and encryption of information. This secure phone protects sensitive data such as fingerprints and facial images by generating unpredictable true random numbers. The Galaxy Quantum 5 represents Samsung’s continued commitment to integrating quantum technology into consumer products, bringing quantum-enhanced security to mainstream smartphone users.

Sandia National Laboratories

In August 2024, scientists at Sandia National Laboratories, collaborating with Arizona State University, received $17 million in funding from Sandia’s Laboratory Directed Research program to develop compact integrated microsystems that carry quantum information using light, scaling down large-scale optical systems to chip size for applications in advanced computing and secure communications. Researchers are fabricating small photonic integrated circuits (PICs) at Sandia’s MESA complex to achieve the same capabilities as large optical tables. Sandia is participating in the Quantum Collaborative and serves as a core partner of the Southwest Advanced Prototyping Hub (SWAP Hub), led by Arizona State University, aiming to jumpstart American competitiveness in the semiconductor industry. In January 2024, the University of New Mexico and Sandia National Laboratories partnered to establish the Quantum New Mexico Institute (QNM-I), aiming to make New Mexico a national hub for quantum science and attract global talent and quantum companies.

SaxonQ

SaxonQ is a spin-off from the University of Leipzig developing diamond-based quantum computers with programmable qubit systems that operate at room temperature. Founded by professors Marius Grundmann and Jan Meijer from Leipzig University’s Felix-Bloch-Institut für Festkörperphysik, the company has delivered NV-center quantum computers to DLR’s Ulm Innovation Center as part of Project SuNQC. Their technology eliminates the need for cryogenic cooling, making quantum computers more accessible and deployable in any environment. SaxonQ operates Saxony’s first mobile quantum computer at Fraunhofer IWU and focuses on making diamond-based quantum computing commercially viable.

SDT

SDT Inc. (Quantum Standard Technology) is a South Korean quantum technology company founded in 2017 with headquarters in Seoul, pioneering quantum computing, quantum cloud, quantum communication, and quantum sensing commercialization. Founded by CEO Jiwon Yune, who studied physics and electronic engineering at MIT and worked as a researcher at MIT-Harvard University Research Center and KIST Quantum Information Research Center, SDT is leading development of South Korea’s first full-stack quantum computer. In August 2024, SDT secured 10 billion KRW (approximately $7.5 million USD) in Pre-IPO investment from Shinhan Venture Investment to commercialize quantum computers, with milestones to develop a 64-qubit superconducting quantum computer by 2026 and photonic integrated circuit quantum computers by 2027. SDT is jointly developing quantum processing units based on silicon spin and diamond nitrogen-vacancy quantum technologies with Seoul National University and the Korea Institute of Science and Technology. The company is advancing South Korea’s National Strategy for Quantum Technology and building the domestic quantum ecosystem.

SemiQon

SemiQon develops silicon-based quantum processors using advanced semiconductor fabrication techniques to create quantum computing systems that leverage the existing semiconductor industry infrastructure, focusing on silicon spin qubits and quantum dots for scalable quantum computing applications with potential advantages in manufacturability and integration with classical electronics.

Company Information

• Founded: 2023
• Country: Finland
• Website: https://semiqon.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Silicon Quantum Computing

Silicon Quantum Computing (SQC) is an Australian quantum technology company founded in 2017 that develops silicon-based quantum processors using silicon spin qubits fabricated with semiconductor manufacturing techniques, leveraging Australia’s strong research in silicon quantum devices to create scalable quantum computers that can utilize existing chip fabrication infrastructure, focusing on building fault-tolerant quantum systems for practical applications while working closely with academic institutions and government initiatives to advance Australia’s quantum computing capabilities. In October 2025, SQC and Telstra announced results from a joint initiative taking quantum computing out of the lab and into the telecommunications industry, marking a new milestone in Australia’s journey towards quantum-enabled digital infrastructure and demonstrating practical applications of quantum technology in telecommunications.

Single Quantum

Single Quantum specializes in superconducting nanowire single photon detectors (SNSPDs) that provide the highest performance photon detection capabilities essential for quantum communication, quantum computing, and quantum sensing applications, offering detection systems with near-perfect efficiency, low noise, and high timing resolution for researchers and companies building quantum technologies.

Company Information

• Founded: 2012
• Country: Netherlands
• Website: https://singlequantum.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

Singular Photonics

Singular Photonics is a manufacturer of photonic detectors for quantum computing developing on-chip photon number resolving detectors for fault tolerance in quantum computing applications. The company is backed by Qubits Ventures and specializes in creating advanced detection systems that enable more reliable photonic quantum computers. Their technology addresses critical scalability challenges in photonic quantum systems.

Company Information

• Founded: 2023
• Country: United States
• Website: https://singularphotonics.com
• Categories: quantum photonics, hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

SiQure

SiQure focuses on silicon-based quantum computing technologies that leverage semiconductor manufacturing processes and silicon spin qubits to create quantum processors with potential advantages in manufacturability, integration with classical electronics, and scalability for building large-scale fault-tolerant quantum computers using familiar silicon fabrication infrastructure.

Company Information

• Founded: 2022
• Country: United States
• Website: https://siqure.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Sparrow Quantum

Sparrow Quantum develops high-performance single-photon sources and quantum light generation systems essential for photonic quantum computing, quantum communication, and quantum sensing applications, providing reliable quantum light sources with high purity and efficiency for researchers and companies building photonic quantum technologies.

Company Information

• Founded: 2016
• Country: Denmark
• Website: https://sparrowquantum.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Stanford University

Stanford University is a private research university founded October 1 1891 located in Stanford California leading in quantum research through Q-FARM uniting experts from Stanford and SLAC National Accelerator Laboratory to advance quantum information science. Stanford promotes interdisciplinary collaboration integrating efforts from physics engineering and computer science departments. Stanford research advances quantum algorithms quantum cryptography quantum control quantum error correction and quantum hardware development essential for practical quantum computers. The university conducts quantum research spanning quantum optics superconducting qubits trapped ions quantum materials and quantum sensing. Stanford has produced numerous quantum computing spinouts and maintains partnerships with leading quantum companies serving quantum research community government agencies and industry partners.

Stirling Cryogenics

Stirling Cryogenics is a Netherlands-based company founded in 1974, specializing in stand-alone cooling systems, liquid nitrogen plants, cryogenerators, cryogenic fans, and pumps for industrial and research applications. The company develops cryogenic cooling solutions for quantum computing infrastructure requiring ultra-low temperature environments and liquid nitrogen/helium cooling systems. Stirling Cryogenics manufactures cryogenic equipment supporting quantum processor operations, dilution refrigerators, and cryogenic research facilities. The company’s cryogenic cooling systems enable stable ultra-low temperature environments essential for superconducting quantum computers and quantum research laboratories. Stirling Cryogenics serves quantum computing manufacturers, research institutions, and cryogenic equipment providers requiring reliable cryogenic cooling solutions for quantum processors operating at millikelvin temperatures. The company provides turnkey cryogenic plants and custom cryogenic solutions for large-scale quantum computing facilities and quantum research infrastructure.

SuperPower

SuperPower Inc., a subsidiary of Furukawa Electric Co. Ltd., is a leading manufacturer of high-temperature superconducting (HTS) wire and tape based in Glenville, New York, founded in 2000. The company produces second-generation HTS wire using Yttrium Barium Copper Oxide (YBCO) technology for quantum computing and power applications. SuperPower manufactures superconducting materials essential for quantum computing infrastructure including superconducting qubits, quantum interconnects, and cryogenic systems operating at ultra-low temperatures. The company developed cost-effective mass production methods for HTS tapes with production capacities approaching 100 thousand kilometers per year. SuperPower serves quantum computing manufacturers, research institutions, and cryogenic equipment providers requiring high-performance superconducting wire for quantum processors, quantum communication systems, and quantum sensing applications demanding superior superconducting characteristics.

SV Microwave

SV Microwave is a world leader in RF/microwave industry headquartered in West Palm Beach, Florida, boasting over 50 years proven performance since founding in 1960. The company is a division of Amphenol Corporation (acquired May 1, 2005), designing and building RF interconnects used at room temperature and cryogenic temperatures for quantum computing applications. SV Microwave’s non-magnetic components play key role in quantum computers, delivering high-performance reliable solutions for quantum computing, medical, and aerospace applications. Inside cryo-chambers, SV Microwave connectors and cables perform in extreme cold temperatures as low as zero degrees Kelvin with hermeticity between chandelier stages. The company provides non-magnetic RF connectors and interconnects essential for quantum processor operations, serving quantum computing manufacturers, research laboratories, and cryogenic equipment providers requiring specialized RF connectivity for quantum computers operating at ultra-low temperatures.

Symmetricom

Symmetricom, Inc. was an American company specialized in high precision timekeeping technology, acquired by Microsemi in 2013 for $230 million, which subsequently became part of Microchip Technologies Inc. Symmetricom developed products including hydrogen masers, rubidium and cesium atomic standards, temperature and oven controlled crystal oscillators, miniature and chip scale atomic clocks, network time servers, network sync management systems, cable timekeeping solutions, telecom synchronization supply units (SSUs), and timing test sets. The company launched the first commercial Chip Scale Atomic Clock (CSAC) model SA.45s in 2011, with over 100,000 units sold. The CSAC provides wide operating temperatures, fast warm-up/atomic-lock, and superior frequency stability in extreme environments. Symmetricom’s innovations supported quantum computing applications requiring ultra-precise timing synchronization. Now operated under Microchip Technology, the timing solutions serve aerospace, defense, communications, and quantum computing industries.

Tabor Electronics

Tabor Electronics was established in 1971 in Israel as spin-off of Elron Corporation, headquartered in Nesher, Israel. The company’s product portfolio includes high-end signal sources: RF and Microwave Signal Generators, High Speed Arbitrary Waveform Generators/transceivers, and high-voltage amplifiers. The Proteus Arbitrary Waveform Generator is ideal for applications in quantum computing, electronic warfare, radar, and next generation communications. Tabor Quantum Solutions provides full toolkit quantum control instrumentation including Arbitrary Waveform Generators (AWG), Digitizers, and Amplifiers providing premium signal source solutions for quantum physics, communications, and radar. In February 2024, FormFactor and Tabor Electronics presented Echo-5Q project, demonstration of full stack 5-Qubit Quantum Computer for research and education leveraging QPU supplied by QuantWare. Tabor serves quantum computing manufacturers, research laboratories, and quantum hardware developers requiring precision signal generation and control for qubit manipulation and quantum processor operations.

Technical University of Denmark

Technical University of Denmark (DTU) is a public technical university founded in 1829, located in Kongens Lyngby, Denmark. DTU conducts quantum research advancing quantum photonics quantum communications and quantum technologies. The university Center for Silicon Photonics advances integrated quantum photonics development. DTU researchers contribute to quantum hardware quantum networks and quantum applications. The university collaborates with Danish and European quantum companies advancing quantum technology commercialization. DTU serves quantum research community through quantum research quantum education and technology transfer supporting Danish quantum technology ecosystem and Nordic quantum innovation.

Tektronix

Tektronix is a leading test and measurement equipment manufacturer founded in 1946, providing advanced measurement solutions for quantum metrology applications through products like the MSO Series 4 oscilloscopes. The 4 Series B MSO is a class-leading mixed signal oscilloscope featuring analog bandwidth up to 1.5 GHz with 4 or 6 analog channels, sample rate of 6.25 GS/s, record length from 31.25M to 62.5M, and 13.3 inch full HD (1920 x 1080) capacitive touchscreen. The FlexChannel technology provides flexibility with inputs that measure one analog or eight digital signals per channel for mixed signal analysis. Tektronix oscilloscopes are ideal for debugging and validating embedded systems, power converters, and quantum computing control electronics requiring ultra-precise timing measurement capabilities. Based in Beaverton, Oregon, Tektronix serves quantum computing manufacturers needing high-performance test equipment for development and production of quantum processors and control systems.

The Phoenix Company

The Phoenix Company of Chicago specializes in custom low-temperature microwave cable assembly solutions with patented non-magnetic PkZ connection technology for cryogenic-based quantum computing applications. Founded in 1969, the company manufactures RF/microwave connector and cable assembly products serving quantum computing and cold temperature markets. The PkZ quick-connect system replaces existing RF connectors and cables with higher density connections from external microwave cables through hermetic headers into each level of dilution refrigerators or cryostats down to quantum processors. PkZ housings fit existing dilution refrigerators with up to 64 RF lines per port, simplifying mating of all 64 lines with one plug-in operation. The blindmate constant impedance PkZ contact features optional embedded attenuation for mass-interconnection, replacing thread-on SMA connectors and attenuators. Phoenix Company’s low-temperature PkZ contacts and cable assemblies serve quantum computing, ultra-low temperature physics, cryogenic MRI, and general low-temperature research.

Thermal Space

Thermal Space is a Boulder, Colorado-based company founded in 2015 that designs and manufactures refrigerant and cryogenic cold plates used by NASA, the US military, government, and academic laboratories. The company provides critical cryogenic cooling solutions for quantum computing applications, which require temperatures reaching sub-10 millikelvin levels—colder than outer space’s 2.7 K. Thermal Space’s cryogenic cold plate technology supports the ultra-low temperature environments necessary for superconducting quantum circuits and qubits, which are basic processing units of quantum computers. The company’s products have been deployed in NASA quantum research programs, including work related to Bose-Einstein condensates and cold atom laboratories. Thermal Space operates within the broader ecosystem of companies providing essential cryogenic cooling infrastructure enabling practical quantum computing systems and advanced physics research requiring extreme temperature control.

Thorlabs

Thorlabs Inc. is an American privately held optical equipment company founded in 1989 by Alex Cable in spare bedroom in Freehold, New Jersey, relocating headquarters to Newton, New Jersey, named after founder’s black Labrador retriever Thor. The company designs and manufactures components, instruments, and systems for photonics industry providing portfolio of over 22,000 stocked items with custom solutions enabled by vertical integration. Thorlabs operates with approximately 2,500 employees at manufacturing and sales offices in United States, Canada, United Kingdom, Germany, France, Sweden, Japan, China, and Brazil achieving annual sales of approximately $500 million as of 2018. In 2014, Thorlabs acquired Corning Inc.’s quantum cascade lasers line expanding quantum capabilities. Thorlabs offers quantum technologies including correlated photon-pair sources using spontaneous parametric down-conversion (SPDC), single-photon detectors, and quantum optics educational kits for research and education purposes in quantum computing laboratories globally.

Times Microwave Systems

Times Microwave Systems was founded in 1948 as Times Wire and Cable Company in New York City near Times Square, relocating to Wallingford, Connecticut in early 1950s, with over 70 years industry experience designing and manufacturing high-performance coaxial cables, connectors, and assemblies. The company joined Amphenol Corporation in 2009, providing specialized RF cable solutions for rapidly-growing quantum computing sector. Times Microwave manufactures temperature-specific cables including NbTi construction superconducting cables interfacing directly with quantum processors (4K down to 4mK), and CuNi-based semi-rigid construction cables (room temp to ~4K). Product lines include M8 multiport interconnect solutions, TMQ4 and TMQ5 bundled coaxial cables, MaxGain ultra-low loss cables, StripFlex assemblies, and PhaseTrack cable assemblies. Times Microwave serves quantum computing manufacturers requiring non-magnetic cables operating in extreme cold temperatures down to -460 degrees Fahrenheit for quantum processor stability.

TSMC

Taiwan Semiconductor Manufacturing Company (TSMC) was founded in 1987 by Morris Chang as world’s first dedicated semiconductor foundry, headquartered in Hsinchu Science Park in Hsinchu, Taiwan. TSMC commands 62% market share in semiconductor fabrication in 2024 and has made significant moves in photonic chip manufacturing assembling team of about 200 researchers focused on ultra-high-speed silicon photonic chips collaborating with Broadcom and Nvidia. In April 2024 TSMC announced production start of silicon photonic chips. TSMC is involved in quantum computing research and fabrication with NTU-TSMC Research Center’s major research interests including quantum computing using Si qubit. Quantum random number generator (QRNG) chip designs have been submitted for fabrication to TSMC. Research focuses include quantum computing from fundamental qubit devices to integration of multiple qubits, qubit test, and noise analysis. TSMC serves quantum computing manufacturers, photonic quantum computing companies, and quantum research institutions requiring advanced semiconductor fabrication for quantum processors and photonic quantum chips.

TU Delft

Delft University of Technology (TU Delft) is a public technical university founded in 1842, located in Delft, Netherlands. TU Delft hosts QuTech, world-leading quantum research institute collaboration between TU Delft and TNO advancing quantum computing and quantum internet. QuTech develops quantum processors including spin qubits in silicon and superconducting qubits advancing scalable quantum computing. TU Delft researchers contribute to quantum algorithms quantum error correction quantum networks and quantum hardware. The university has produced quantum technology spinouts and maintains strong European quantum partnerships. TU Delft serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum computing and quantum internet development supporting Netherlands and European quantum technology leadership.

TuringQ

TuringQ is China’s first optical quantum computing company established in 2021 by Professor Jin Xianmin from Shanghai Jiaotong University, specializing in photonic quantum processors using lithium niobate on insulator (LNOI) photonic chips and femtosecond laser direct writing technology, with products including the TuringQ Gen 1 fully integrated optical quantum computer and FeynmanPAQS quantum simulation software, having completed 500 million yuan ($79 million) in funding and established China’s first photonic chip pilot line in Wuxi for applications in financial technology, biomedicine, and artificial intelligence.

Twinleaf

Twinleaf develops precision magnetic field sensors and magnetometers using SERF (Spin Exchange Relaxation Free) technology. Founded by Dr. Thomas W. Kornack, who pioneered SERF magnetometer development during his work at Princeton University, the company produces highly sensitive quantum sensors for biomedical applications including live magnetocardiography. Their sensors enable portable, non-cryogenic alternatives to traditional SQUID magnetometers. Twinleaf’s products serve research institutions and medical applications requiring ultra-sensitive magnetic field detection. The company maintains strong research collaborations with Princeton University and offers both magnetometers and magnetic shielding solutions.

ULVAC

ULVAC is developing next-generation dilution refrigerators specifically for quantum computing in partnership with IBM, with deployment planned for 2026. The company installed its first system supporting Japan’s fully domestic quantum computer at Osaka University in April 2025, achieving stable 10 mK temperatures with modular architecture suitable for both research and scalable quantum systems. ULVAC’s partnership with IBM includes testing at IBM’s quantum data center in Poughkeepsie, New York, advancing the global supply chain for cryogenic quantum equipment.

ULVAC CRYOGENICS

ULVAC CRYOGENICS INC. is a Japanese company developing next-generation dilution refrigerators for quantum computers with input from IBM, strengthening Japan’s domestic supply of cryogenic systems essential for quantum research and commercialization. ULVAC conducts evaluation tests in collaboration with IBM, including testing at IBM’s quantum data center in Poughkeepsie, New York, with industry deployment scheduled for early 2026. The system features high cooling performance maintaining cryogenic temperatures at 10mK level, scalable modular design for future large-scale quantum environments, and in-house manufacturing of core components including dilution refrigerators, pulse-tube cryocoolers, and vacuum components. In April 2025, ULVAC installed a dilution refrigerator at the University of Osaka Center for Quantum Information and Quantum Biology, supporting Japan’s first fully domestically built quantum computer. ULVAC establishes domestic production framework to reduce dependence on overseas manufacturers.

University of Oxford

University of Oxford is a collegiate research university founded circa 1096, located in Oxford, England, oldest university in English-speaking world. Oxford conducts world-leading quantum research through Oxford Quantum Information Science group, Department of Physics, and Oxford Quantum Circuits spinout. The university advances quantum computing quantum cryptography quantum communications and quantum technologies. Oxford researchers contribute to ion trap quantum computing quantum algorithms quantum error correction and quantum hardware development. The university has produced numerous quantum technology spinouts including Oxford Quantum Circuits and maintains partnerships with quantum companies. Oxford serves quantum research community through fundamental quantum research quantum education and technology transfer advancing quantum information science and supporting UK quantum technology leadership positioning Oxford as global quantum research leader.

Utimaco

Utimaco is a global platform provider of cybersecurity and compliance solutions, specializing in hardware security modules (HSMs), key management, data protection, and identity management for regulated critical infrastructures. The company has been investing in post-quantum cryptography since 2017 and in July 2019 launched the world’s first commercial quantum-safe HSM in partnership with ISARA Corporation. Utimaco’s HSMs are deployed across 80+ countries in over 1,000 installations and the company received Frost & Sullivan’s 2024 Global Competitive Strategy Leadership Award in PQC.

VACOM

VACOM Vacuum Components and Measurement Technology GmbH is a leading European supplier of vacuum technology for quantum applications. Founded in 1992 by physicist Dr. Ute Bergner in Jena, the company relocated to Großlöbichau near Jena in 2016. VACOM supplies special vacuum chambers, specially coated optics, and ion getter pumps from their MERKURION product series. Their AluVaC technology products offer lightweight, extremely low-outgassing, and minimally magnetizable aluminum vacuum components ideal for quantum sensors, quantum computing, and quantum communication applications. With 370 employees and 53 trainees, VACOM has received public funding for quantum sensor projects including InnoVaQ and QUASENS, demonstrating active quantum R&D involvement.

VAT Group

VAT Group AG is an internationally active Swiss company for high-performance vacuum valves founded in 1965 by Siegfried Schertler in Flawil, St.Gallen, Switzerland, headquartered in Haag, canton of St. Gallen. VAT supplies vacuum and gas dosing valves for dilution refrigerators meeting special requirements for particularly precise and reliable operation achieving temperatures close to absolute zero for quantum computer components. By end of 2023 VAT held market share of around 75% in vacuum valves for semiconductor production serving semiconductor manufacturing, displays, and scientific research applications including quantum computing. VAT provides vacuum valve technologies for ultra-high vacuum and ultra-pure gas control in quantum computing cryogenic systems. VAT serves quantum computing manufacturers, research laboratories, and cryogenic equipment providers requiring high-precision vacuum valves for dilution refrigerators and quantum processor environments operating at millikelvin temperatures.

Vescent

Vescent develops precision photonics and laser systems for quantum computing, quantum sensing, and quantum communication applications, providing laser stabilization, optical frequency combs, and precision measurement instruments that enable the optical control and manipulation of quantum systems across various quantum technology platforms.

Company Information

• Founded: 2002
• Country: United States
• Website: https://vescent.com
• Categories: hardware

Related Companies

Explore other quantum computing companies in similar categories or regions.

← Back to All Companies

Vexlum

Vexlum is a spin-off from the Optoelectronics Research Centre (ORC) at Tampere University of Technology specializing in novel semiconductor lasers for quantum technology applications. The company develops VECSELs (Vertical External Cavity Surface Emitting Lasers) providing high-power low-noise single-frequency lasers with broad wavelength coverage in the visible and near infrared. Vexlum’s innovative laser technology enables practical quantum computing systems by providing the precision light sources required for manipulating quantum states. With approximately 25 employees, the company serves quantum computing, medical, and semiconductor industries.

Wave Photonics

Wave Photonics is a Cambridge-based integrated photonics company founded in May 2021 by University of Cambridge quantum photonics PhDs James Lee and Matthew Anderson along with CTO Mateusz Kubica. The company received £4.5 million ($5.8M) in seed funding in June 2024 co-led by UK Innovation & Science Seed Fund and Cambridge Enterprise Ventures, with participation from Redstone QAI Ventures’ Quantum Fund, Kyra Ventures, and Deep Tech Labs. Complemented by non-dilutive grants from Horizon Europe EIC Fund and Innovate UK, Wave Photonics’ total funding reached £5.4 million ($6.9M). The company develops on-chip photonics designs for quantum technologies, sensors, and data-center applications, building and validating computational photonics design technology to reduce photonic product development time and unlock the transformative potential of integrated photonics. Wave Photonics leads consortium projects pioneering quantum computing applications leveraging photonic integrated circuits.

Xanadu

In early 2025, Xanadu demonstrated Aurora, a significant advancement in photonic quantum computing featuring a modular and networked architecture that combines 35 photonic chips networked together via 13 kilometers of fiber optics to perform all essential functions for comprehensive quantum computing. In May 2025, Xanadu partnered with Applied Materials to develop high-volume fabrication processes for superconducting transition edge sensors, with teams planning to demonstrate a 300 mm platform by the end of 2025 to advance photonic quantum computing toward utility-scale applications. In March 2025, Xanadu and Corning partnered to develop low-loss optical fibre interconnects for photonic quantum computing chips, aiming to scale fault-tolerant quantum computers towards one million qubits. In June 2025, Xanadu opened a $10 million advanced photonic packaging facility in Toronto, Canada, to manufacture components for fault-tolerant quantum computers, addressing a critical gap in the Canadian quantum supply chain. In August 2025, Xanadu and HyperLight demonstrated waveguide losses below 2 dB/m in thin-film lithium niobate (TFLN) photonic chips.

Xiphera

Xiphera is an Espoo, Finland-based hardware cryptographic security company founded in 2017 by Matti Tommiska and Kimmo Järvinen, who first collaborated on cryptographic projects in the early 2000s. The company specializes in hardware-based cryptographic solutions for automotive, industrial IoT, data centers, communications, and space sectors. Xiphera’s portfolio includes 30+ off-the-shelf IP cores with extensive post-quantum cryptography (PQC) offerings fighting quantum threats. The company’s cryptographic IP cores are designed directly for FPGAs and ASICs without hidden CPU or software components. In 2025, Xiphera partnered with Crypto Quantique for quantum-resilient hardware trust engines, Siemens Cre8Ventures to strengthen automotive security supporting EU Chips Act sovereignty goals, and developed quantum-resilient hardware security solutions for space applications. Xiphera launched nQrux™ Family hardware trust engines for hardware-isolated cryptographic services and computing environments, contributing to Finland’s quantum-safe security infrastructure.

Yale University

Yale University is a private Ivy League research university founded 1701 in New Haven Connecticut. Yale University has established itself as leader in quantum research fostering collaboration across physics engineering and computer science with Yale Quantum Institute serving as central hub bringing together researchers to explore quantum information processing quantum materials and quantum sensing. Yale conducts quantum research spanning superconducting qubits quantum processors quantum algorithms quantum error correction and quantum networks. Yale quantum programs have produced significant breakthroughs in superconducting quantum computing and quantum information processing. Yale serves quantum research community through fundamental quantum research quantum education programs and industry partnerships advancing quantum computing and quantum technologies.

Zero Point Motion

Zero Point Motion is a UK quantum technology company founded in 2020 that develops quantum inertial navigation systems and quantum accelerometers for precision navigation applications where GPS is unavailable, creating compact quantum sensors that leverage cold atom interferometry and atomic physics to provide ultra-precise measurements of acceleration and rotation for autonomous vehicles, submarines, aircraft, and spacecraft requiring navigation-grade performance in GPS-denied environments, offering quantum sensing solutions that maintain long-term navigation accuracy without external reference signals through atomic-scale precision measurements.