Photonics

Coherent is an American photonics company supplying laser modules and optical components for quantum computing and quantum sensing applications. The company manufactures a broad range of lasers including ultrafast lasers, continuous-wave lasers, and optical components. Coherent serves the quantum technology industry with laser systems for trapped ion quantum computers, photonic quantum processors, and quantum sensing platforms, providing critical optical components across quantum technology applications.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Fujikura Ltd. is a Japanese electrical equipment and cable manufacturing company founded in 1885 and headquartered in Tokyo, Japan, with Quantum Division developing optical components and fiber infrastructure for quantum communications networks. Fujikura manufactures specialized optical fibers, photonic components, and fiber optic cables supporting quantum key distribution (QKD) systems and quantum networking deployments. The company develops low-loss optical fibers optimized for quantum communications, single-photon compatible fiber components, and quantum networking hardware. Fujikura collaborates with Japanese telecommunications operators and quantum technology companies deploying quantum-safe communications infrastructure. The company participates in Japan’s national quantum secure networking initiatives providing essential optical infrastructure for quantum communications. Fujikura serves telecommunications operators, quantum technology companies, government agencies, and research institutions requiring specialized optical components and fiber infrastructure for quantum communications networks, QKD systems, and quantum internet development. The company brings over 135 years of optical fiber expertise to quantum communications infrastructure supporting Japan’s quantum technology leadership.

Hamamatsu Photonics is a major Japanese photonics company partnering on Japan’s cold atom quantum computing initiative, providing optical components and detection systems for quantum applications. With decades of experience in photomultiplier tubes, photodiodes, and imaging sensors, Hamamatsu supplies critical photonic components for quantum computing, quantum sensing, and quantum communication systems. The company’s quantum division supports the broader Japanese quantum technology ecosystem with world-class optical detection and measurement capabilities.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Huber+Suhner AG is a Swiss manufacturer of components and systems for electrical and optical connectivity founded in 1969, headquartered in Herisau, Switzerland. The company supplies photonic components including fiber optic cables, connectors, and optical assemblies used in quantum communication systems, quantum key distribution networks, and quantum computing infrastructure. Huber+Suhner provides high-precision optical connectivity solutions for quantum laboratories, quantum data centers, and quantum networking deployments. The company serves telecommunications, aerospace, industrial, and quantum technology sectors requiring reliable photonic infrastructure components. Huber+Suhner contributes to quantum technology supply chain providing essential photonic components for quantum systems and quantum communication networks supporting quantum technology commercialization and quantum infrastructure development worldwide.

Ki3 Photonics is a British photonics company specializing in advanced innovations for quantum networking and quantum computing using integrated photonics technology. The company develops photonic integrated circuits and components that enable scalable quantum communication networks and photonic quantum computing systems. Ki3 Photonics combines expertise in silicon photonics with quantum information science to create practical quantum networking infrastructure components.

2025 Developments: Development of quantum networking infrastructure and protocols continues in 2025. Research efforts focus on extending quantum communication range and reliability. Partnerships with telecommunications providers expand deployment opportunities.

Lumenisity is a UK-based photonics company founded in 2017 as spinout from University of Southampton developing hollow core fiber technology for quantum communications and telecommunications. The company CoreSmart hollow core fibers enable ultra-low latency data transmission and enhanced security ideal for quantum key distribution (QKD) networks. Lumenisity was acquired by Microsoft in 2022 to advance hollow core fiber deployment for cloud and quantum networking infrastructure. The company technology reduces signal latency and improves data security compared to traditional solid core optical fibers. Lumenisity serves telecommunications operators, financial services, cloud providers, and quantum communication networks requiring ultra-fast secure data transmission. The company contributes to quantum communications infrastructure development advancing quantum-safe networking and quantum internet infrastructure.

Menlo Systems is a German company providing precision laser systems for quantum technology applications including optical frequency combs for quantum computing and sensing. The company manufactures ultrafast laser systems and frequency combs that serve as precision timing and frequency references. Menlo Systems’ products enable applications in quantum networking, quantum sensing, and quantum computing where precise optical frequency control and synchronization are essential for quantum operations.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Octave Photonics is a NIST ecosystem company developing integrated photonics for quantum and classical applications. The Boulder company manufactures photonic integrated circuits. Octave Photonics’ chip-scale photonic devices enable miniaturization and cost reduction for quantum communications, quantum sensing, and quantum computing applications through integrated photonics technology.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

PicoQuant is a German company providing time-resolved optical and optoelectronic instruments for quantum applications, including single photon detection systems. The company’s products enable time-correlated single photon counting (TCSPC), fluorescence lifetime imaging, and quantum optics experiments. PicoQuant serves the quantum research community with high-performance instrumentation for quantum cryptography, quantum computing, and quantum sensing applications, combining precision timing electronics with advanced photon detection capabilities.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Quanterro Labs is an Abu Dhabi-based startup that focused on single-photon-based technologies, cryptography, and communications systems. The company may be inactive as of 2024 based on limited recent activity. Quanterro Labs represented early efforts in the UAE to develop quantum photonic technologies for security applications, part of the region’s broader investment in quantum technology capabilities and infrastructure.

2025 Developments: Development of quantum-safe cryptography solutions remains a priority in 2025. Focus on post-quantum cryptography standards and implementation. Active participation in industry standards bodies and security consortiums.

Quantum Computing Inc. operates a quantum photonic chip manufacturing facility in Tempe, Arizona, producing Thin Film Lithium Niobate (TFLN) chips for quantum computing, machine learning, and sensing applications. The company’s photonic foundry represents critical infrastructure for developing integrated quantum photonic systems. By combining quantum photonics fabrication with quantum computing systems development, QCI aims to accelerate commercialization of photonic quantum technologies for entropy computing and photonic optimization applications.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Quantum Optics Jena is a Fraunhofer IOF spin-off specializing in entangled photon pair sources, polarization analyzers, and QKD systems for secure communications. The company completed a seven-figure euro seed funding round in 2021 to commercialize quantum photonic components. Quantum Optics Jena provides the Elvis QKD system for both fiber network and satellite quantum communication applications, offering complete solutions from photon sources to encryption systems for quantum-safe communications infrastructure.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Single Quantum is a Dutch company providing superconducting nanowire single photon detectors, partnering with Toshiba in 2024 to extend QKD range to over 300 kilometers. The company manufactures high-performance single photon detectors essential for quantum key distribution, quantum computing, and quantum sensing applications. Single Quantum’s superconducting nanowire detector technology enables record-breaking quantum communication distances and provides critical measurement capabilities for quantum research and commercial quantum technologies.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

Thorlabs manufactures correlated photon-pair sources using SPDC at 810nm and Class 1 laser sources with integrated 405nm pump laser for quantum optics. The Newton company provides photonics equipment. Thorlabs serves the quantum optics research community with entangled photon sources, single photon detectors, and complete optical systems for quantum communications and quantum computing experiments.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.

TOPTICA Photonics is a German laser manufacturer supplying specialized diode and fiber laser modules with subkilohertz linewidths for quantum computing applications. The company provides ultra-stable narrow-linewidth lasers essential for trapped ion quantum computers, neutral atom systems, and quantum networking. TOPTICA’s laser systems enable the precise optical control and manipulation of quantum states required in atomic and photonic quantum computing platforms, serving as critical components in quantum technology supply chains.

2025 Developments: The company continues its quantum technology initiatives throughout 2025. Focus remains on advancing core technologies and expanding market presence. Ongoing development activities position the company for future growth in the quantum industry.