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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 31, Iss. 8 — Apr. 15, 2006
  • pp: 1133–1135

Experimental demonstration of quantum entanglement between frequency-nondegenerate optical twin beams

Xiaolong Su, Aihong Tan, Xiaojun Jia, Qing Pan, Changde Xie, and Kunchi Peng  »View Author Affiliations


Optics Letters, Vol. 31, Issue 8, pp. 1133-1135 (2006)
http://dx.doi.org/10.1364/OL.31.001133


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Abstract

The quantum entanglement of amplitude and phase quadratures between two intense optical beams with a total intensity of 22 mW and a frequency difference of 1 nm , which are produced from an optical parametric oscillator operating above threshold, is experimentally demonstrated with two sets of unbalanced Mach–Zehnder interferometers. The measured quantum correlations of intensity and phase are in reasonable agreement with the results calculated based on a semiclassical analysis of the noise characteristics given by Fabre et al. [J. Phys. (France) 50, 1209 (1989)] .

© 2006 Optical Society of America

OCIS Codes
(190.4410) Nonlinear optics : Nonlinear optics, parametric processes
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

History
Original Manuscript: November 21, 2005
Revised Manuscript: January 9, 2006
Manuscript Accepted: January 16, 2006

Citation
Xiaolong Su, Aihong Tan, Xiaojun Jia, Qing Pan, Changde Xie, and Kunchi Peng, "Experimental demonstration of quantum entanglement between frequency-nondegenerate optical twin beams," Opt. Lett. 31, 1133-1135 (2006)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-31-8-1133


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References

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