Type II parametric downconversion in the Wigner-function formalism: entanglement and Bell's inequalities
JOSA B, Vol. 15, Issue 5, pp. 1572-1577 (1998)
http://dx.doi.org/10.1364/JOSAB.15.001572
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- OCIS Codes:
- (190.4970) Nonlinear optics : Parametric oscillators and amplifiers
- (270.0270) Quantum optics : Quantum optics
Citation
Alberto Casado, Trevor W. Marshall, and Emilio Santos, "Type II parametric downconversion in the Wigner-function formalism: entanglement and Bell's inequalities," J. Opt. Soc. Am. B 15, 1572-1577 (1998)
http://www.opticsinfobase.org/abstract.cfm?URI=josab-15-5-1572
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We continue the analysis of our previous papers that were devoted to type I parametric downconversion, the extension to type II being straightforward. We show that entanglement, in the Wigner representation, is merely a correlation that involves both signals and vacuum fluctuations. An analysis of the detection process opens the way to a complete description of parametric downconversion in terms of pure Maxwell electromagnetic waves.
© 1998 Optical Society of America
[Optical Society of America ]
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Author Affiliations
Escuela Superior de Ingenieros, Departamento de Física Aplicada, Universidad de Sevilla, 41012 Sevilla, Spain
Department of Mathematics, University of Manchester, Manchester M13 9PL, UK
Departamento de Física Moderna, Universidad de Cantabria, 39005 Santander, Spain
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