Einstein-Podolsky-Rosen-Bohm experiment using pairs of light quanta produced by type-II parametric down-conversion

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PhysRevLett.71.3893.pdf (281.06 KB)

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https://link.aps.org/doi/10.1103/PhysRevLett.71.3893

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https://doi.org/10.1103/PhysRevLett.71.3893
 http://hdl.handle.net/11603/39931

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UMBC Physics Department
UMBC Faculty Collection

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Date

1993-12-13

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journal articles
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Citation of Original Publication

Kiess, T. E., Y. H. Shih, A. V. Sergienko, and C. O. Alley. “Einstein-Podolsky-Rosen-Bohm Experiment Using Pairs of Light Quanta Produced by Type-II Parametric down-Conversion.” Physical Review Letters 71, no. 24 (1993): 3893–97. https://doi.org/10.1103/PhysRevLett.71.3893.

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©1993 American Physical Society.

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UMBC Quantum Optics Laboratory

Abstract

We report a new two-photon polarization correlation experiment for realizing the Einstein-Podolsky-Rosen-Bohm (EPRB) state and for testing Bell-type inequalities. We use the pair of orthogonally polarized light quanta generated in type-II parametric down-conversion. In a 1 nm bandwidth, we observe from the output of a 0.5 mm β-BaB₂O₄ crystal the EPRB correlations in coincidence counts, and measure an associated Bell inequality violation of 22 standard deviations.