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International Journal of Modern Physics B

OPERATOR METHODS FOR MASTER EQUATIONS IN QUANTUM OPTICS

P. Shanta, S. Chaturvedi, Venkatraman Srinivasan, Ashok Kumar Kapoor

Published Jun 30, 1996• 12 citations
Publisher

Abstract

Applications of thermofield dynamics to quantum optics and the lessons one learns for nonequilibrium physics are presented.
DOI
10.1142/s0217979296000672

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This paper discusses the relationship between operator methods and matrix methods in optics. Based on the definition of optical variable operators and the hypothesis that optical operators of linear optical systems are unitary, the relation equation dealing with the relationship between operator methods and matrix methods in optics has been obtained from the general property of linear systems. For a given optical system, its optical operator can be derived from its optical matrix by solving the relation equation. And if the optical operator of a system is given, its optical matrix can also be derived from that equation. Thus the equivalency between operator methods and matrix methods in optics is demonstrated. Finally, the physical significance of the optical operator h has been pointed out.