Observation of spatial quantum beating with separated photodetectors

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

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Detail(s)

Original languageEnglish
Pages (from-to)54-57
Journal / PublicationPhysical Review Letters
Volume61
Issue number1
Publication statusPublished - 1988
Externally publishedYes

Abstract

When signal and idler photons produced in the process of parametric down-conversion are mixed together, and directed to two photodetectors that respond to nonoverlapping optical frequencies centered at 1 and 2, it is found that the joint probability of two-photon detection exhibits a modulation of the form cos(1-2), where c is the path difference. The experimental results are well described by a simple quantum-mechanical analysis. © 1988 The American Physical Society.

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