PsiQuantum has a plan to make a massive quantum computer out of light:
The company has drawn governments, a major chipmaker, and the Pentagon into an effort to ...
technologyreview.com/2026/07/14/1140356/psiquantum-plan-massive-quantum-computer-out-of-light/
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PsiQuantum plans large photon-based quantum computerPsiQuantum is developing sites in Chicago and Australia; the Australian facility is intended to be hardware-ready in 2027.
Key FactsJul 14, 2026 · Reading time: ~45 sec.
Summary created with AI assistance · Source: technologyreview.com
Summary created with AI assistance · Source: technologyreview.com
- The proposed machine does not yet exist and would route photons through optical switches and beam splitters.
- PsiQuantum raised $1 billion in 2025 and connected three cabinets with 250 chips each at its Milpitas facility.
- The company expects its Australian facility to be operational by the end of 2027, but does not thereby promise that a large computer will be complete.
- PsiQuantum has been assessed by the US research agency DARPA since 2023 and entered the program’s third stage in 2025.
Whenever we have more power to calculate and simulate and understand things, we build incredible machines that come from it.— Terry Rudolph, cofounder of PsiQuantum, in an interview about the implications of increased calculation and simulation power for quantum computing.
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PsiQuantum Signs $125 Million Agreement with DARPA: PsiQuantum today announced that the company has signed a new $125 million contract with the Defense Advanced ...
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