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

Antonio Mandarino; Bianka Woloncewicz; Marcin Karczewski; Marcin Markiewicz; Marek \.Zukowski; Tamoghna Das

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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

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

Tamoghna Das , Marcin Karczewski , Antonio Mandarino , Marcin Markiewicz , Bianka Woloncewicz , Marek \.Zukowski This is my paper

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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.

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

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