Nonlocality from N>2 independent single-photon emitters

C. Thiel, R. Wiegner, J. von Zanthier, and G. S. Agarwal
Phys. Rev. A 82, 032116 – Published 21 September 2010

Abstract

We demonstrate that intensity correlations of second order in the fluorescence light of N>2 single-photon emitters may violate locality while the visibility of the signal remains below 1/271%. For this, we derive a homogeneous Bell-Wigner–type inequality, which can be applied to a broad class of experimental setups. We trace the violation of this inequality back to path entanglement created by the process of detection.

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  • Received 23 May 2010

DOI:https://doi.org/10.1103/PhysRevA.82.032116

©2010 American Physical Society

Authors & Affiliations

C. Thiel1, R. Wiegner1,*, J. von Zanthier1, and G. S. Agarwal2

  • 1Institut für Optik, Information und Photonik, Universität Erlangen-Nürnberg, D-91058 Erlangen, Germany
  • 2Department of Physics, Oklahoma State University, Stillwater, Oklahoma 74078-3072, USA

  • *Ralph.Wiegner@physik.uni-erlangen.de

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Vol. 82, Iss. 3 — September 2010

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