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PsiQuantum builds low-loss optical switch for AI data center GPU networks

This story is from 2026-10-30. It is preserved in the archive; the latest stories are on the live feed.

PsiQuantum has developed an 8x8 optical switch prototype for AI data center networks that typically loses 1.2 dB, under a quarter of its light, well within the 3 dB limit data centers allow, with plans for larger devices.

Read the full story at Tom's Hardware ↗

Timeline · 2 reports

  1. 2026-10-30 14:30 · Tom's Hardware
    PsiQuantum turns its photonics know-how into an optical switch for supercharging AI data center GPU networks
  2. 2026-10-30 14:30 · Tom's Hardware
    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

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