Demonstration of Einstein-Podolsky-Rosen Steering Using Single-Photon Path Entanglement and Displacement-Based Detection

T. Guerreiro, F. Monteiro, A. Martin, J. B. Brask, T. Vértesi, B. Korzh, M. Caloz, F. Bussières, V. B. Verma, A. E. Lita, R. P. Mirin, S. W. Nam, F. Marsilli, M. D. Shaw, N. Gisin, N. Brunner, H. Zbinden, R. T. Thew

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22 Citations (Scopus)

Abstract

We demonstrate the violation of an Einstein-Podolsky-Rosen steering inequality developed for single-photon path entanglement with displacement-based detection. We use a high-rate source of heralded single-photon path-entangled states, combined with high-efficiency superconducting-based detectors, in a scheme that is free of any postselection and thus immune to the detection loophole. This result conclusively demonstrates single-photon entanglement in a one-sided device-independent scenario, and opens the way towards implementations of device-independent quantum technologies within the paradigm of path entanglement.

Original languageEnglish
Article number070404
JournalPhysical Review Letters
Volume117
Issue number7
DOIs
Publication statusPublished - Aug 12 2016

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Guerreiro, T., Monteiro, F., Martin, A., Brask, J. B., Vértesi, T., Korzh, B., Caloz, M., Bussières, F., Verma, V. B., Lita, A. E., Mirin, R. P., Nam, S. W., Marsilli, F., Shaw, M. D., Gisin, N., Brunner, N., Zbinden, H., & Thew, R. T. (2016). Demonstration of Einstein-Podolsky-Rosen Steering Using Single-Photon Path Entanglement and Displacement-Based Detection. Physical Review Letters, 117(7), [070404]. https://doi.org/10.1103/PhysRevLett.117.070404