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Devices and structures

Devices and structures

Quantum physics sets a speed limit for fastest possible optoelectronic switch

26 Apr 2022 Isabelle Dumé
fastest possible optoelectronics
An international research group has found a maximum value for how fast a computer can become. (Courtesy: © Oliver Wolf – TU Graz)
Optoelectronic switches can operate up to 1000 trillion times a second – a rate of 1 petahertz –

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Isabelle Dumé is a contributing editor to Physics World
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