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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. 7 — Jul. 1, 2012
  • pp: 1672–1679

Phase-sensitive nonclassical properties of photon-added displaced squeezed thermal states

Shuai Wang and Hong-yi Fan  »View Author Affiliations


JOSA B, Vol. 29, Issue 7, pp. 1672-1679 (2012)
http://dx.doi.org/10.1364/JOSAB.29.001672


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Abstract

We investigate the nonclassical properties of multiple-photon-added displaced squeezed thermal states (PADSTSs). Particularly, we study the dependence of those nonclassical properties on the compound phase ϕ−θ/2 involved in squeezing and displacement parameters. We find that the Mandel Q parameter, the quadrature squeezing, the negative volume of the Wigner function, and the fidelity between PADSTSs and displaced squeezed thermal states (DSTSs) are all periodic functions of ϕ−θ/2 with a period π. Without considering the displacement parameter, these quantities are all phase independent. Finally, we investigate the non-Gaussianity of PADSTSs according to the fidelity between PADSTSs and DSTSs and find that non-Gaussianity and nonclassicality have similar behavior. Thus, the non-Gaussianity induced by the photon-addition operation is essentially nonclassical.

© 2012 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: April 10, 2012
Manuscript Accepted: May 2, 2012
Published: June 15, 2012

Citation
Shuai Wang and Hong-yi Fan, "Phase-sensitive nonclassical properties of photon-added displaced squeezed thermal states," J. Opt. Soc. Am. B 29, 1672-1679 (2012)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-29-7-1672

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