Violation of Bell's Inequality with Photons from Independent Sources

Preprint

12 May 2003

preprint
Published by arXiv in arXiv

https://doi.org/10.48550/arXiv.quant-ph/0301169

Abstract

We report a violation of Bell's inequality using one photon from a parametric down-conversion source and a second photon from an attenuated laser beam. The two photons were entangled at a beam splitter using the post-selection technique of Shih and Alley [Phys. Rev. Lett. 61, 2921 (1988)]. A quantum interference pattern with a visibility of 91% was obtained using the photons from these independent sources, as compared with a visibility of 99.4% using two photons from a central parametric down-conversion source.

Keywords

VIOLATION OF BELL'S
INDEPENDENT SOURCES
BELL'S INEQUALITY
CONVERSION SOURCE
INEQUALITY USING
PHOTONS
LASER
BEAM

All Related Versions

Version 1, 2003-01-30, ArXiv
Version 2, 2003-05-12, ArXiv
Published version: Physical Review Letters, 90 (24), 240401.

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