The paper Testing Hardy’s nonlocality proof with genuine energy-time entanglement written by G. Vallone, Ilaria Gianani, E. Burgos-Inostroza, C. Saavedra, G. Lima, A. Cabello, P. Matalloni has been published in PHYSICAL REVIEW A

Abstract:
We show two experimental realizations of Hardy’s ladder test of quantum nonlocality using energy-time correlated photons, following the scheme proposed by Cabello et al.[Phys. Rev. Lett. 102, 040401 (2009)]. Unlike previous energy-time Bell experiments, these tests require precisely tailored nonmaximally entangled states. One of them is equivalent to the two-setting and two-outcome Bell test requiring a minimum detection efficiency. The reported experiments are still affected by the locality and detection loopholes, but are free of the post-selection loophole of previous energy-time and time-bin Bell tests.

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