Pushing computers towards petahertz, with femtosecond lasers and weird dielectrics

New findings published by quantum scientists in Germany could pave the way towards computer chips that use light instead of electricity to control their internal logic. Where today’s silicon-based electrical computer chips are capable of speeds in the gigahertz range, the German light-based chips would be some 1,000,000 times faster, operating in t…
ExtremeTech

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