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Single-photon optical switch demonstrated to realise practical photonic computing

Colton Fruhling, post-doctoral researcher; Shalaev; Boltasseva, the Ron and Dotty Garvin Tonjes Distinguished Professor in Electrical and Computer Engineering; Alexander Kildishev, professor; Chen and Sychev

Clockwise from far left: Colton Fruhling, post-doctoral researcher; Shalaev; Boltasseva, the Ron and Dotty Garvin Tonjes Distinguished Professor in Electrical and Computer Engineering; Alexander Kildishev, professor; Chen and Sychev (Image: Purdue University)

A team at Purdue University has used avalanche multiplication to switch optical beams with single photons

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