Quantum-Metrology

Caltech - Quantum Computing Company Profile | Quantum Navigator

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.

IonQ - Trapped Ion Quantum Company Profile | Quantum Navigator

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.

NIST - Quantum Computing Company Profile | Quantum Navigator

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.

Photon Spot - Quantum Computing Company Profile | Quantum Navigator

Photon Spot

Photon Spot is a California-based company specializing in sub-Kelvin cryogenic systems and superconducting nanowire single-photon detectors (SNSPDs) for quantum technology applications. Founded in 2009 and headquartered in Monrovia, California, the company offers detectors with ultralow dark counts, precise timing resolution, and high quantum efficiency, combined with cryogenic systems operating at temperatures below 1 Kelvin. Photon Spot’s products serve quantum communications, quantum computing, quantum sensing, and semiconductor diagnostics applications. The company’s ultra-compact, ultra-low vibration cryogenic systems support time-resolved imaging applications benefiting integrated circuit manufacturers and quantum technology researchers. Primary customers include research institutions, national laboratories, and companies engaged in quantum-related research and development. Backed by investors including the National Science Foundation, Photon Spot represents American innovation in single-photon detection technology critical to photonic quantum computing, quantum key distribution, and quantum metrology applications.

QuPrayog - Quantum Computing Company Profile | Quantum Navigator

QuPrayog

QuPrayog is a Pune-based quantum technology startup founded in August 2024 as a spinout from the Indian Institute of Science Education and Research (IISER) Pune, co-founded by Dr. Rahul Sawant (faculty fellow at I-Hub Quantum Technologies Foundation) and Dr. Jay Mangaonkar (postdoctoral fellow at IISER Pune). The company develops advanced quantum sensing and metrology equipment, specializing in portable optical atomic clocks, Titanium Sapphire Laser systems, and optical frequency combs that offer order-of-magnitude improvements over radio-frequency atomic clocks. QuPrayog was selected as one of eight startups for support under India’s National Quantum Mission and the National Mission on Interdisciplinary Cyber-Physical Systems, chosen following a competitive process by I-Hub Quantum Technology Foundation. The company focuses on advancing quantum timing, precision measurements, and quantum sensing technologies for applications in navigation, telecommunications, scientific research, and critical infrastructure requiring ultra-precise timing and frequency standards, contributing to India’s strategic quantum technology development and self-reliance in quantum sensing capabilities.