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All-Optical Computer Unveiled With 100 GHz Clock Speed


The device paves the way for a new era of ultrafast computing, say researchers.

Today, state-of-the-art chips still operate at around 5GHz, a limit bottleneck that has significantly restricted progress in fields requiring ultrafast data processing. Now that looks set to change thanks to the work of Gordon Li and Midya Parto at the California Institute of Technology in Pasadena, and colleagues, who have designed and tested an all-optical computer capable of clock speeds exceeding 100 GHz. Beyond that, generative AI could leverage these systems to create high-fidelity simulations or perform ultrafast inferences in scenarios requiring split-second decisions, such as autonomous vehicles.

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