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69 quantum companies

  • Quantum componentsFreshwater Quarry, Brixham Laboratory, Brixham Tq5 8Ba, Brixham

    BAY Photonics

    Specializes in photonic assembly and packaging for quantum, sensing, and telecom applications, from prototype to production.

  • Quantum components10C Commerce Way, Woburn

    Forward Photonics

    Develops high-power semiconductor lasers including Quantum Cascade lasers for defense, industrial, and scientific applications. Technology originated at MIT…

  • Quantum components41 Aero Camino, Santa Barbara

    Freedom Photonics

    Freedom Photonics, now part of Quantum Computing Inc., produces photonic solutions including diffraction-limited 1550 nm lasers, amplifiers, and fast…

  • Quantum components2a ROSEBANK ROAD, ROSEBANK, Livingston

    Helia Photonics

    Provides III-V and silicon photonics back-end-of-line processes, thin-film optical coatings, and quantum technology coatings and back-end processing.

  • Quantum components313 Enterprise Dr, Plainsboro

    Innovative Photonic Solutions

    Develops and manufactures wavelength-stabilized lasers including narrow linewidth lasers for quantum computing, femtosecond lasers, and lasers for…

  • Quantum sensing and metrologyR103, Fermi Avenue, Harwell Campus, Oxford

    Quantum Detectors Ltd.

    Develops advanced direct electron detectors and readout systems for electron microscopy and X-ray research. Products include MerlinEM, Merlin T4, and Xspress 3…

  • Quantum components1120 Pittsford Victor Rd, Pittsford

    Toptica Photonics Inc

    Develops and manufactures narrow linewidth lasers for quantum computing, femtosecond lasers for microscopy, and lasers for semiconductor inspection and…

  • Quantum components958 San Leandro Ave Ste 300, Mountain View

    Longwave Photonics

    LongWave Photonics provides terahertz Quantum Cascade Laser (QCL) systems for imaging, spectroscopy, and heterodyne receivers, offering milliwatt power levels…

  • Quantum components7100 Broadway Ste De Bldg 3, Denver

    Maybell Quantum Industries

    Builds dilution refrigerators (Fast Fridge, Fridge, Fridge+, Big Fridge) and wiring solutions, magnets & accessories for quantum computing.

  • Quantum components6500 Hollister Ave Ste 150, Goleta

    Nexus Photonics

    Develops single-chip photonic integrated circuits for quantum and emerging technologies, applying wafer-scale semiconductor manufacturing to enable production…

  • Quantum sensing and metrology14841 Keel St, Plymouth

    Quantum Opus Plymouth

    Provides superconducting nanowire single-photon detection systems (SNSPDs) with high efficiency and low noise, used by NASA, NIST, Fermilab.

  • Quantum networking and QKDDelft

    QUBITRIUM

    Delft company building terrestrial and space modules for the quantum internet; products include entangled photon resources, single-photon detectors, QKD demo…

  • Quantum networking and QKDSan Jose

    QuintessenceLabs

    Develops quantum-enhanced cybersecurity products including CV-QKD systems, a quantum true random number generator, key and policy management, and PQC readiness…

  • Quantum componentsDidcot

    RedWave Labs

    Designs and manufactures custom photonics control electronics; developing quantum key distribution receivers, single photon detectors and a master controller…

  • Quantum componentsRue du Port-Franc 22, Lausanne

    Rhonexum

    Develops cryogenic electronic circuits and simulation tools operating below -270°C, targeting control and readout electronics for quantum computing and sensing…

  • Quantum componentsTempe

    Advent Diamond

    Manufactures all-diamond semiconductor components and doped diamond structures for applications including defense, telecommunications, sensing, and quantum…

  • Quantum hardwareInnsbruck

    Alpine Quantum Technologies

    Builds ion trap quantum computers, including a 19-inch rack-mounted system that runs at room temperature and consumes less than 2kW, plus research instruments…

  • Quantum hardwareMontreal

    Anyon Systems Inc.

    Canadian company that designs, builds and deploys integrated superconducting quantum computing systems for HPC centres, government, universities and strategic…

  • Quantum componentsBerlin

    APE

    Builds ultrafast laser diagnostics, light sources and wavelength-conversion instruments; products include an excitation source for quantum-dot single-photon…

  • Quantum componentsEspoo

    Arctic Instruments

    Makes microwave readout solutions for quantum tech developers; flagship AI-TWPA-C is a near-quantum-limited traveling-wave parametric amplifier for…

  • Quantum componentsHaar

    attocube

    Manufactures closed-cycle cryostats, cryogenic microscopes, nanopositioners and interferometers; applications include single-photon sources and QC component…

  • Quantum componentsBesancon

    AUREA Technology

    Makes photonic instruments for quantum networks and optical sensing: NIR single-photon detectors, GHz time taggers, polarization-entangled photon sources and…

  • Quantum componentsCambridge

    Brightlight Photonics

    Builds CMOS-compatible on-chip Titanium:Sapphire lasers, amplifiers and low-loss visible/UV photonic circuits for biomedicine, metrology and quantum…

  • Quantum hardwareLyngby

    ConScience AB

    Provides a quantum foundry (Q-MPW program) and nanofabrication services, superconducting qubits (QiB0-QiB2), single-photon detectors, coated wafers and the…

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Which cities have the most quantum components?

The cities with the most quantum components are Berlin, Berlin (2 quantum companies), Boulder, CO (2 quantum companies), Delft, Delft (2 quantum companies), Delft, South Holland (2 quantum companies), and Montreal, QC (2 quantum companies).

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