Aegiq Ltd.
Aegiq Ltd. is a UK company developing fault-tolerant photonic quantum computers using deterministic photon sources and silicon photonics.
Components and enabling tech
Companies in this category: 58
Alpine Quantum Technologies GmbH
Alpine Quantum Technologies GmbH is an Innsbruck, Austria-based company building trapped-ion quantum computers, instruments, and cloud access services.
Bluefors Oy
Bluefors Oy makes cryogenic systems and measurement infrastructure used in quantum technology and low-temperature research.
Crypto4A Technologies
Canadian cybersecurity company building quantum-safe hardware security modules and related security platforms for post-quantum cryptography and secrets management.
Delft Circuits
Delft Circuits makes superconducting cryogenic cabling and quantum I/O infrastructure designed to increase channel density and reduce thermal load in cryostats.
Element Six
Element Six develops synthetic diamond and tungsten carbide materials, including semiconductor and optics products for next-generation applications.
Elevate Quantum
Elevate Quantum is a U.S. quantum consortium and designated Tech Hub focused on commercialization, workforce development, and shared infrastructure in the Mountain West.
Ephos
Ephos designs and manufactures glass-based integrated photonic circuits for advanced classical and quantum devices.
Exail
Exail is a high-tech industrial group whose photonics business includes quantum and metrology instruments such as quantum gravimeters and optical frequency transfer solutions.
FormFactor, Inc.
FormFactor, Inc. supplies semiconductor test and measurement equipment, including quantum cryogenic and thermal management tools used in quantum computing applications.
HyperLight
HyperLight develops thin-film lithium niobate photonic integrated circuit products, including transmitter PICs and packaged modulators, for data center, telecom, and quantum-system applications.
Icarus Quantum
Icarus Quantum develops photonic interconnects and entangled photon sources for connecting quantum computers through room-temperature fiber optics.
ICEoxford
ICEoxford develops high-performance cryogenic systems, including modular cryogenic architecture for scalable quantum technologies.
ID Quantique SA
ID Quantique SA develops quantum-safe security, quantum random number generation, and quantum detection systems from its headquarters in Geneva, Switzerland.
IDEMIA Secure Transactions
IDEMIA Secure Transactions, a division of IDEMIA Group, supplies payment, connectivity and cybersecurity products, including post-quantum cryptography libraries and quantum-ready payment cards.
Keysight Technologies, Inc.
Keysight Technologies provides hardware and software for engineering workflows, with quantum computing listed among the industries it serves.
kiutra GmbH
kiutra GmbH develops cryogenic cooling systems and services for quantum technologies, including cryostats for superconducting, spin-qubit, and trapped-ion applications.
Lightsynq Technologies Inc.
Lightsynq Technologies Inc. develops universal optical quantum interconnects for modular quantum computing systems.
Maybell Quantum Industries Inc.
Maybell Quantum Industries builds dilution refrigerators and related cryogenic infrastructure for quantum technology users.
Menlo Systems
Menlo Systems is a German photonics company supplying frequency combs, ultrastable lasers, and related systems for metrology, quantum technology, and other precision applications.
Mesa Quantum
Mesa Quantum develops chip-scale quantum sensors and clocks for timing, navigation, and magnetic-field measurement in GPS-denied and other demanding environments.
Miraex SA
Miraex SA develops thin-film lithium tantalate photonic integrated circuits for microwave-to-optical quantum interconnects spanning computing, sensing, and networking.
Montana Instruments Corporation
Montana Instruments Corporation builds cryogenic systems and related tools for quantum and low-temperature research laboratories.
Nanofiber Quantum Technologies, Inc.
Nanofiber Quantum Technologies develops cavity-QED, fiber-native quantum interconnects for networked quantum computing, with stated compatibility with neutral atom QPUs.
Nu Quantum
Nu Quantum builds quantum networking technology and an "Entanglement Fabric" to connect processors for distributed quantum computing scale-out.
Orange Quantum Systems
Orange Quantum Systems develops test equipment, software, and services for benchmarking and scaling solid-state quantum chips.
Photon Spot, Inc.
Photon Spot, Inc. develops cryogenic systems and superconducting nanowire single-photon detectors for quantum and scientific applications.
PQShield Ltd
PQShield Ltd develops post-quantum cryptography hardware and software for securing devices, applications, and infrastructure against quantum-era threats.
Qblox BV
Qblox BV develops scalable qubit control and readout electronics for quantum computing and research across multiple qubit architectures.
Qnami
Qnami develops diamond NV-center quantum microscopy platforms, sensors, and software for nanoscale magnetic imaging and materials research.
Qolab
Qolab is a private quantum hardware company developing superconducting QPUs using semiconductor manufacturing and wafer-scale integration approaches.
QphoX B.V.
QphoX B.V. develops quantum transduction and cryogenic optical control products aimed at connecting, controlling, and scaling quantum systems.
Quandela
Quandela develops photonic quantum computers, cloud access, and related software and photonic components.
Quantum Brilliance Pty Ltd
Quantum Brilliance develops diamond-based quantum chips and products for sensing and computing that operate at room temperature.
Quantum Computing Inc.
Quantum Computing Inc. develops room-temperature quantum photonics products for computing, sensing, and secure communications.
Quantum Design Oxford
Quantum Design Oxford designs and supplies low-temperature, magnetic-field, and integrated research systems used in quantum technologies and related physical-science applications.
Quantum eMotion Corp.
Quantum eMotion Corp. develops quantum random number generation and quantum-safe cybersecurity hardware, software, and cloud services.
Quantum Microwave
Quantum Microwave is a manufacturer, distributor, and technical sales marketplace for microwave, millimeter-wave, and cryogenic components used in quantum computing and related systems.
Quantum Opus, LLC
Quantum Opus, LLC makes superconducting nanowire single-photon detector systems and custom photon-detection solutions for quantum and related research applications.
QuantWare BV
QuantWare BV is a Delft-based quantum processor company developing superconducting QPUs, peripherals, and VIO-enabled foundry and packaging services.
QuEL, Inc.
QuEL, Inc. develops quantum computer control hardware and middleware linking quantum software with qubit chips.
QuiX Quantum
QuiX Quantum is a private Dutch photonic quantum computing hardware company founded in 2019 and focused on integrated photonics for data centers and HPC environments.
Rotonium srl
Rotonium srl is an Italian private company developing room-temperature photonic quantum computers based on photons’ orbital angular momentum for edge and other deployment models.
Rydberg Technologies Inc.
Rydberg Technologies develops atomic quantum devices based on Rydberg atoms for RF sensing, measurement, imaging, and related subsystem hardware.
SDT Inc.
SDT Inc. provides full-stack quantum computing infrastructure, including control electronics, cryogenic machinery, pre-configured quantum computers, and a hybrid cloud platform.
SEALSQ
SEALSQ develops secure semiconductors, provisioning, and PKI services with a stated focus on post-quantum cryptography and quantum-resistant security.
SEEQC
SEEQC develops a digital quantum computing platform that integrates quantum and classical functions on superconducting chips.
SemiQon
SemiQon is a Finnish private company developing silicon-based quantum hardware and cryo-optimized CMOS solutions for scaling quantum computing.
Silent Waves
Silent Waves is a French company that designs and commercializes traveling-wave parametric amplifiers for qubit readout in quantum computers.
Single Quantum
Single Quantum develops superconducting nanowire single-photon detector systems and related light-sensing solutions for quantum and optical measurement applications.
Sparrow Quantum
Sparrow Quantum develops deterministic photonic technology and integrated platforms for scalable quantum computing and networking.
TOPTICA Photonics SE
TOPTICA Photonics SE develops and manufactures laser systems for science, industry, and quantum technology applications.
UbiQD, Inc.
UbiQD develops and manufactures quantum dot materials for agriculture, clean energy, security, and related advanced-materials applications.
Vescent Technologies, Inc.
Vescent Technologies designs and manufactures lasers, optical frequency combs, and control systems for quantum timing, sensing, networking, and computing applications.
Vexlum
Vexlum is a Finland-based spin-off developing VECSEL semiconductor lasers for quantum technology, medicine, and semiconductor-industry applications.
Welinq
Welinq develops quantum networking solutions, including quantum links, memory-based storage, and software for modular quantum computing and quantum communication networks.
Wolfspeed, Inc.
Wolfspeed is a vertically integrated silicon carbide company whose TSiC optical-grade substrates target AR optics and quantum computing.
Zurich Instruments AG
Zurich Instruments AG develops quantum control electronics and precision test instruments, including systems for qubit control and readout at scale.