Controlled-NOT gate operating with single photons
arXiv:1205.4899 · doi:10.1063/1.4719077
Abstract
The initial proposal for scalable optical quantum computing required single photon sources, linear optical elements such as beamsplitters and phaseshifters, and photon detection. Here we demonstrate a two qubit gate using indistinguishable photons from a quantum dot in a pillar microcavity. As the emitter, the optical circuitry, and the detectors are all semiconductor, this is a promising approach towards creating a fully integrated device for scalable quantum computing.
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- An entangling quantum-logic gate operated with an ultrabright single photon-source
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- Overcoming the rate-directionality tradeoff: a room-temperature ultrabright quantum light source
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- Deterministic assembly of a charged quantum dot-micropillar cavity device