Best Quantum Computer Makers — Photonics Companies

Xanadu operates a quantum photonic platform. Its platform uses artificial intelligence to integrate quantum silicon photonic chips into existing hardware to build a full-stack quantum computer. It enables clients to receive a quantum technology-based computing facility using a photonic cluster state technology and easily solve business problems. It was founded in 2016 and is based in Toronto, Canada.

Infleqtion develops and designs instruments and systems for quantum technology applications. It offers products and services for scientific and industrial applications, such as cold atom experimentation, quantum simulation, quantum information processing, atomic clocks, and inertial sensing. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. It was formerly known as ColdQuanta. It was founded in 2007 and is based in Boulder, Colorado.

Quantum Machines (QM) develops control systems for quantum computers. The company offers solutions such as quantum computing research, quantum sensing, quantum networks, and quantum cloud. It was founded in 2018 and is based in Tel Aviv, Israel.

AegiQ designs and builds high-performance quantum photonics hardware for communications and computing applications. It uses its single-photon and quantum optics platform in building a new generation of networking and computing with quantum technology. The company was founded in 2019 and is based in Sheffield, England.

Atom Computing is building quantum computers using individually controlled atoms. It offers atom arrays with optically-trapped neutral atoms and enables researchers and companies to carry forward innovation. Its services include quantum algorithm development from its first-generation platform Phoenix. The company was founded in 2018 and is based in Berkeley, California.

ORCA Computing is building a scalable and flexible quantum computer powered by photonics. ORCA’s processor and architecture leverage photonics connectivity to unlock performance and scale for quantum computing 2.0. ORCA Computing was founded in 2019 and is based in London, England.

PsiQuantum specializes in general-purpose silicon photonic quantum computing. Its quantum computer is intended to drive advances in climate, healthcare, finance, energy, agriculture, transportation, and communications. The company was founded in 2016 and is based in Palo Alto, California.

Quandela develops a quantum computing platform based on photonic qubits generated by efficient quantum light sources. The company was founded in 2017 and is based in Massy, France.

Quantum Source is developing technology to enable a commercially viable, photonic quantum computer with millions of qubits. The company serves drug design, material development, cybersecurity, and the processing of large datasets for AI applications. Quantum Source was founded in 2021 and is based in Rehovot, Israel.

SeeQC develops and commercializes superconducting quantum technologies for a variety of quantum information processing applications including scalable fault-tolerant quantum computers and simulators, quantum communications, and quantum sensors. SeeQC was founded in 2018 and is based in Elmsford, New York.

Sparrow Quantum is a privately held company that develops and commercializes photonic quantum technology components based on research and patents developed in the Niels Bohr Institute Quantum Photonics Lab.