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No-go for device independent protocols with Tan-Walls-Collett `nonlocality of a single photon'

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arxiv 2102.03254 v1 pith:T7TPUXJ5 submitted 2021-02-05 quant-ph

Tamoghna Das , Marcin Karczewski , Antonio Mandarino , Marcin Markiewicz , Bianka Woloncewicz , Marek Żukowski This is my paper
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keywords photonprotocolsschemesingleaimsbellcannotclaim
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We investigate the interferometric scheme put forward by Tan, Walls and Collett [Phys. Rev. Lett. {\bf 66}, 256 (1991)] that aims to reveal Bell non-classicality of a single photon. By providing a local hidden variable model that reproduces their results, we decisively refute this claim. In particular, this means that the scheme cannot be used in device-independent protocols.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. Bell violation with path-entangled number states under realistic detection

    quant-ph 2026-07 conditional novelty 6.0 of 10

    On-off detection needs only 82.58% overall efficiency for a loophole-free Bell violation with a path-entangled single photon, and the practical bottleneck is spectral mode overlap rather than efficiency.

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