Further evidence of nonclassical behavior in optical interference

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Original languageEnglish
Pages (from-to)2941-2944
Journal / PublicationPhysical Review Letters
Volume62
Issue number25
Publication statusPublished - 1989
Externally publishedYes

Abstract

It is demonstrated in a photon coincidence experiment with two photodetectors, in which signal and idler photons produced by parametric down-conversion are allowed to interfere, that the visibility of the interference pattern is well above 50% and remains unchanged when one of the two light beams is attenuated ninefold compared with the other. These results violate classical probability for light waves. © 1989 The American Physical Society.

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