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DARPA Awards $125 Million to PsiQuantum for Fault-Tolerant System Validation

By Network WorldJuly 23, 2026

AI Summary

PsiQuantum has secured a record-breaking $125 million award from DARPA to accelerate the development and validation of its fault-tolerant photonic quantum computing architecture.

The U.S. Defense Advanced Research Projects Agency (DARPA) has significantly increased its investment in the race for a functional quantum computer by awarding $125 million to PsiQuantum. This agreement, announced on Wednesday, July 22, 2026, marks the largest single award in the history of DARPA's quantum computing programs. The funding is part of 'Stage C' of the Quantum Benchmarking Initiative, which aims to verify and validate the technical path toward a fault-tolerant quantum system in under a decade.

PsiQuantum was selected for this stage following its successful completion of earlier benchmarking phases. The company's photonic approach, which uses light to transmit and process information, is viewed by DARPA as one of the most promising modalities for achieving the millions of physical qubits required for error correction. The $125 million will be used to expand the scope and pacing of validation work at PsiFactory, the company's dedicated manufacturing facility in California.

DARPA officials noted that Stage C awards can eventually reach up to $300 million depending on technical milestones. This funding follows a previous $100 million award from the Department of Commerce under the CHIPS and Science Act, further cementing PsiQuantum's role as a central pillar of the United States' domestic quantum infrastructure strategy.

DARPA
Photonic Quantum
Federal Funding

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