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Entangled Photon Pairs Create Ultrastrong Correlations

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GENEVA, Oct. 21, 2019 — Researchers at the University of Geneva (UNIGE), working with Tehran’s Institute for Research in Fundamental Sciences (IPM), have shown theoretically that a new, ultrastrong quantum correlation is formed when three pairs of entangled photons are placed in a network. This discovery could one day be used to generate ultrasecure encryption keys. In his 1964 theory of quantum nonlocality, John Stewart Bell showed that photon correlations are exclusively quantum in nature. The UNIGE team investigated the implications of Bell’s theory when it is applied to several pairs of photons...Read full article

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