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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry van Driel
  • Vol. 28, Iss. 12 — Dec. 1, 2011
  • pp: 2915–2918

Violation of a Bell inequality in two-dimensional spin-orbit hypoentangled subspaces

Lixiang Chen, Xiancong Lu, and Zhongqun Cheng  »View Author Affiliations


JOSA B, Vol. 28, Issue 12, pp. 2915-2918 (2011)
http://dx.doi.org/10.1364/JOSAB.28.002915


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Abstract

Based on spin-orbit coupling induced by q-plates, we present a feasible experimental proposal for preparing two-dimensional spatially inhomogeneous polarizations of light. We further investigate the quantum correla tions between these inhomogeneous polarizations of photon pairs generated by spontaneous parametric downconversion, which in essence describe the so-called hypoentanglement that is established between composite spin-orbit variables of photons. The violation of the Clauser–Horne–Shimony–Holt–Bell inequality is predicted with S = 2 2 to illustrate the entangled nature of the cylindrical symmetry of spatially inhomogeneous polarizations.

© 2011 Optical Society of America

OCIS Codes
(260.5430) Physical optics : Polarization
(050.4865) Diffraction and gratings : Optical vortices
(270.5585) Quantum optics : Quantum information and processing

ToC Category:
Quantum Optics

History
Original Manuscript: September 22, 2011
Manuscript Accepted: October 10, 2011
Published: November 10, 2011

Citation
Lixiang Chen, Xiancong Lu, and Zhongqun Cheng, "Violation of a Bell inequality in two-dimensional spin-orbit hypoentangled subspaces," J. Opt. Soc. Am. B 28, 2915-2918 (2011)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-28-12-2915


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