AI BriefingPsiQuantum Unveils 8x8 Optical Circuit Switch for AI Infrastructure
·2026.10.29 00:00
Key point
The demonstration vehicle achieves 1.2 dB insertion loss and 40 dB cross talk without amplification, with commercial products expected in coming months.
Details
- PsiQuantum unveiled its first publicly disclosed Optical Circuit Switching (OCS) technology, an 8x8-radix demonstration vehicle built on a low-loss silicon photonics platform.
- Lab testing showed typical results of 1.2 dB insertion loss, 40 dB cross talk, and less than 3 ms reconfiguration time, exceeding initial targets without the need for amplification.
- The company is sharing samples with select prospective customers and advancing the platform toward commercial products to be announced in the coming months.
- The technology leverages silicon photonics developed for utility-scale quantum computing, addressing network bottlenecks in scaling AI systems.
- PsiQuantum also developed barium titanate (BTO) integration at the 300mm wafer scale, though BTO is not required for the current demonstration vehicle or initial products.
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