# PsiQuantum

> PsiQuantum develops photonic quantum computers intended to run commercially useful, fault-tolerant calculations. Its approach combines silicon photonic chips manufactured with GlobalFoundries, optical-fiber networking, modular cryogenic infrastructure and quantum algorithms. Its first large computing facilities are under construction in Chicago and Queensland, while its Construct software is already publicly accessible.

- **Founded:** 2016
- **Headquarters:** Palo Alto, United States
- **Founders:** Jeremy O’Brien (Co-founder and Executive Chairman), Terry Rudolph (Co-founder and Chief Architect), Peter Shadbolt (Co-founder and Chief Scientific Officer), Mark Thompson (Co-founder and Chief Technology Officer)
- **Products:** Omega, Construct, Utility-scale quantum computing systems, Quantum applications research, Custom photonic components and circuit development
- **Notable:** Demonstrated photonic and electronic chip manufacturing with GlobalFoundries in 2021., Published a manufacturable photonic quantum computing platform in Nature in 2025., Reported 99.72% ± 0.04% chip-to-chip qubit interconnect fidelity in component benchmarks.

## Products & services

- **Omega** — Silicon photonic chipset for building large-scale quantum computers, incorporating photon sources, detectors, waveguides and optical switching; a component platform rather than a completed utility-scale computer.
- **Construct** — Free, open-access fault-tolerant algorithm development platform with Circuit Designer, Workbench, algorithm libraries and Resource Analyzer; launched in 2025 and opened broadly in May 2026.
- **Utility-scale quantum computing systems** — Fault-tolerant photonic computing infrastructure under development, with initial facilities being built in Chicago and Moreton Bay, Queensland.
- **Quantum applications research** — Collaborative algorithm development and resource estimation for enterprises, researchers and governments in chemistry, materials and other compute-intensive fields.
- **Custom photonic components and circuit development** — Government-contracted circuit design and components including BTO electro-optic phase shifters for the Air Force Research Laboratory.

## Achievements

- Demonstrated photonic and electronic chip manufacturing with GlobalFoundries in 2021.
- Published a manufacturable photonic quantum computing platform in Nature in 2025.
- Reported 99.72% ± 0.04% chip-to-chip qubit interconnect fidelity in component benchmarks.
- Raised US$1 billion Series E at a US$7 billion valuation in September 2025.
- Broke ground in Chicago in September 2025 and Moreton Bay, Queensland, in June 2026.
- Released Construct as a free, open-access platform in May 2026.
- Advanced to Stage C of DARPA’s QBI following the US2QC program; evaluation continues.

## Latest updates

- **2026-10** — Announced a conditional loan commitment of up to US$150 million from the Office of Strategic Capital; financing is not guaranteed or a finalized loan.
- **2026-10** — DARPA added four more companies to QBI Stage C on October 7; PsiQuantum is no longer one of only two participants in that stage.
- **2026-09** — Signed definitive documentation for a US$100 million U.S. Department of Commerce CHIPS R&D award.
- **2026-09** — Announced a Construct-based research collaboration with Brookhaven National Laboratory.
- **2026-07** — Victor Peng became CEO after serving on an interim basis from February; Jeremy O’Brien is Executive Chairman.
- **2026-07** — Signed a US$125 million expanded DARPA agreement for testing, validation and supporting infrastructure.
- **2026-06** — Started construction at Moreton Bay Central, Queensland.
- **2026-05** — Made Construct free and open access and opened a Test & Validation Lab at Griffith University.

## Links

- Website: https://www.psiquantum.com/
- LinkedIn: https://www.linkedin.com/company/psiquantum-ltd/
- Twitter/X: https://x.com/PsiQuantum
- GitHub: https://github.com/PsiQ
- YouTube: https://www.youtube.com/@PsiQuantum

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Profile page: https://yespress.io/psiquantum
Published by YesPress — https://yespress.io
Last updated: 2026-10-17