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Demonstrating various quantum effects with two entangled laser beams

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Hage, Boris
Janousek, Jiri
Armstrong, Seiji
Symul, Thomas
Bernu, Julien
Chrzanowski, Helen
Lam, Ping Koy
Bachor, Hans

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Springer

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We report on the preparation of entangled two mode squeezed states of yet unseen quality. Based on a measurement of the covariance matrix we found a violation of the Reid and Drummond EPR-criterion at a value of only 0.36 ± 0.03 compared to the threshold

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European Physical Journal D: Atomic, Molecular, Optical and Plasma Physics

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