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Tom's Hardware October 30, 2026 By Shane Downing neutral

PsiQuantum turns its photonics know-how into an optical switch for supercharging AI data center GPU networks — 8x8 lab prototype loses less light than rivals, with plans to develop larger devices

AI / LLMNVIDIA / GPUQuantumData Center
PsiQuantum’s eight-port optical switch typically loses 1.2 dB, under a quarter of its light, where data centers allow up to 3 dB.
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