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Generation of entangled photons in a semiconductor

Generation of "entangled" particles is one of the key features in quantum information and communication technology. So far, highly entangled photons are generated by parametric down-conversion (see the previous page). For practical quantum technology, generation of entangled photons in semiconductor materials is highly desired. We have succeeded in generating entangled photons in a semiconductor for the first time. You can find the report published in Nature.