Exciton-based circuits eliminate a 'speed trap' between computing and communication signals

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An circuit that uses excitons for computing flashes light as the particles decay to release photons. Credit: Leonid ButovUCSD
An circuit that uses excitons for computing flashes light as the particles decay to release photons. Credit: Leonid Butov/UCSD

Particles called excitons that emit a flash of light as they decay could be used for a new form of computing better suited to fast communication, physicists at UC San Diego have demonstrated.


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