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Quantum entanglement with acousto-optic modulators: Two-photon beats and Bell experiments with moving beam splitters

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Suarez, Antoine
Published in Physical Review. A. 2003, vol. 67, no. 4
Abstract We present an experiment testing quantum correlations with frequency shifted photons. We test Bell inequality with two-photon interferometry where we replace the beam splitters with acousto-optic modulators, which are equivalent to moving beam splitters. We measure the two-photon beats induced by the frequency shifts, and we propose a cryptographic scheme in relation. Finally, setting the experiment in a relativistic configuration, we demonstrate that the quantum correlations are not only independent of the distance but also of the time ordering between the two single-photon measurements.
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STEFANOV, André et al. Quantum entanglement with acousto-optic modulators: Two-photon beats and Bell experiments with moving beam splitters. In: Physical Review. A, 2003, vol. 67, n° 4. https://archive-ouverte.unige.ch/unige:36714

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Deposited on : 2014-05-20

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