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Article Dans Une Revue Physical Review Letters Année : 2004

Proposal for a loophole-free Bell test using homodyne detection

Résumé

We propose a feasible optical setup allowing for a loophole-free Bell test with efficient homodyne detection. A non-gaussian entangled state is generated from a two-mode squeezed vacuum by subtracting a single photon from each mode, using beamsplitters and standard low-efficiency single-photon detectors. A Bell violation exceeding 1% is achievable with 6-dB squeezed light and an homodyne efficiency around 95%. A detailed feasibility analysis, based upon the recent generation of single-mode non-gaussian states, confirms that this method opens a promising avenue towards a complete experimental Bell test.
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hal-00509177 , version 1 (12-04-2016)

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R. Garcia-Patron Sanchez, J. Fiurasek, N. J. Cerf, Jérôme Wenger, Rosa Tualle-Brouri, et al.. Proposal for a loophole-free Bell test using homodyne detection. Physical Review Letters, 2004, 93 (13), pp.130409. ⟨10.1063/1.1834431⟩. ⟨hal-00509177⟩
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