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Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 6 — Mar. 15, 2007
  • pp: 695–697

Experimental observation of three-color optical quantum correlations

Katiúscia N. Cassemiro, Alessandro S. Villar, Paulo Valente, Marcelo Martinelli, and Paulo Nussenzveig  »View Author Affiliations


Optics Letters, Vol. 32, Issue 6, pp. 695-697 (2007)
http://dx.doi.org/10.1364/OL.32.000695


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Abstract

Quantum correlations among bright pump, signal, and idler beams produced by an optical parametric oscillator, all with different frequencies, are experimentally demonstrated. We show that the degree of entanglement between signal and idler fields is improved by using information on pump fluctuations. To our knowledge this is the first observation of three-color optical quantum correlations.

© 2007 Optical Society of America

OCIS Codes
(190.4970) Nonlinear optics : Parametric oscillators and amplifiers
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

History
Original Manuscript: October 23, 2006
Revised Manuscript: December 6, 2006
Manuscript Accepted: December 13, 2006
Published: February 15, 2007

Citation
Katiúscia N. Cassemiro, Alessandro S. Villar, Paulo Valente, Marcelo Martinelli, and Paulo Nussenzveig, "Experimental observation of three-color optical quantum correlations," Opt. Lett. 32, 695-697 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-6-695


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