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528 Photonic latch memory could enable optical processor caches that run up to 60 GHz, twenty times faster than standard caches — optical SRAM stores and outputs data entirely as light, but density challenges remain

Tom's Hardware
Tom's Hardware · 12/12/2025 10:39 EDT

Photonic latch memory could enable optical processor caches that run up to 60 GHz, twenty times faster than standard caches — optical SRAM stores and outputs data entirely as light, but density challenges remain

Researchers from the University of Southern California Information Sciences Institute and the University of Wisconsin-Madison have demonstrated what they describe as the first regenerative photonic memory latch.

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