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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 15, Iss. 3 — Mar. 1, 1998
  • pp: 1187–1191

Simple criterion for nonclassical two-mode states

Ching Tsung Lee  »View Author Affiliations


JOSA B, Vol. 15, Issue 3, pp. 1187-1191 (1998)
http://dx.doi.org/10.1364/JOSAB.15.001187


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Abstract

A sufficient condition for nonclassical two-mode states in terms of three probabilities, (n2+1)p(n1−1, n2+1)2n1p(n1, n2)+(n1+1)p(n1+1, n2−1)2n2p(n1, n2)<1, is established as a new type II criterion. This criterion is applied to the two-mode coherent state, the two-mode squeezed vacuum state, and the pair coherent state to show how easily it can be used. It is also applied to the photon-added two-mode thermal state and the mixing of two two-photon states by a symmetric beam splitter to show that the type II criterion is superior to its type I counterpart in at least these two examples.

© 1998 Optical Society of America

OCIS Codes
(030.5260) Coherence and statistical optics : Photon counting
(270.0270) Quantum optics : Quantum optics
(270.5290) Quantum optics : Photon statistics

Citation
Ching Tsung Lee, "Simple criterion for nonclassical two-mode states," J. Opt. Soc. Am. B 15, 1187-1191 (1998)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-15-3-1187


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