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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 16, Iss. 26 — Dec. 22, 2008
  • pp: 21708–21713

Non-degenerate nonclassical photon pairs in a hot atomic ensemble

Qun-Feng Chen, Bao-Sen Shi, Min Feng, Yong-Sheng Zhang, and Guang-Can Guo  »View Author Affiliations

Optics Express, Vol. 16, Issue 26, pp. 21708-21713 (2008)

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We experimentally demonstrate the generation of nondegenerate nonclassical paired photons in a hot atomic ensemble using off-axis four-wave mixing. The time-resolved second-order correlated function between the Stokes photon and the anti-Stokes photon is given. The two-photon correlation between the photons obtained in this experiment is 1.87±0.04, which leads to the violation of Cauchy-Schwarz inequality by a factor of 1.69±0.14.

© 2008 Optical Society of America

OCIS Codes
(020.1670) Atomic and molecular physics : Coherent optical effects
(190.4380) Nonlinear optics : Nonlinear optics, four-wave mixing
(270.1670) Quantum optics : Coherent optical effects
(270.5290) Quantum optics : Photon statistics

ToC Category:
Quantum Optics

Original Manuscript: October 23, 2008
Revised Manuscript: November 30, 2008
Manuscript Accepted: December 7, 2008
Published: December 16, 2008

Qun-feng Chen, Bao-Sen Shi, Min Feng, Yong-Sheng Zhang, and Guang-Can Guo, "Non-degenerated nonclassical photon pairs in a hot atomic ensemble," Opt. Express 16, 21708-21713 (2008)

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