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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. 29, Iss. 1 — Jan. 1, 2012
  • pp: 15–22

Statistical properties of the squeezing-enhanced thermal state

Shuai Wang and Hong-yi Fan  »View Author Affiliations


JOSA B, Vol. 29, Issue 1, pp. 15-22 (2012)
http://dx.doi.org/10.1364/JOSAB.29.000015


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Abstract

We introduce a new (to our best knowledge) type of squeezing-enhanced thermal states (SETS) that is generated by operating a new two-parameter generalized squeezing operator on a thermal (chaotic) field. By using the operator’s Weyl-ordering invariance under the similarity transformation and the Weyl correspondence scheme, we derive the normally ordered form of the density operator of SETS. Based on it, we study the resulting squeezing effects of the SETS and investigate its statistical properties by the second-order correlation function, photon-number distribution, and the Wigner function. Compared with the usual squeezed thermal state, SETS exhibits stronger squeezing and some new statistical properties. We find that the effect of the new type of squeezing operator is rotated squeezing.

© 2011 Optical Society of America

OCIS Codes
(270.0270) Quantum optics : Quantum optics
(270.6570) Quantum optics : Squeezed states

ToC Category:
Quantum Optics

History
Original Manuscript: July 25, 2011
Revised Manuscript: September 13, 2011
Manuscript Accepted: October 19, 2011
Published: December 9, 2011

Citation
Shuai Wang and Hong-yi Fan, "Statistical properties of the squeezing-enhanced thermal state," J. Opt. Soc. Am. B 29, 15-22 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-1-15


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