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Quantum optics

A spooky light-emitting diode

The generation of entangled photon pairs is usually a complex process involving optically driven schemes and nonlinear optics. The recent demonstration of an electrically powered light-emitting diode that is capable of this task looks set to greatly simplify experiments in the field of quantum information processing.

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Zwiller, V. A spooky light-emitting diode. Nature Photon 4, 508–509 (2010). https://doi.org/10.1038/nphoton.2010.183

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