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Equivalence of a lossless beam splitter and a nondegenerate parametric amplifier in conditional measurements

Barnett, S M and Pegg, D T and Jeffers, J (1999) Equivalence of a lossless beam splitter and a nondegenerate parametric amplifier in conditional measurements. Optics Communications, 172 (1-6). pp. 55-57. ISSN 0030-4018

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Abstract

Ban [Opt, Commun. 143 (1997) 225] demonstrated an equivalence between a lossless beam splitter with one of the output modes in the vacuum state and a nondegenerate parametric amplifier with a vacuum input. We show that this equivalence can be extended to apply to all states. (C) 1999 Elsevier Science B.V. All rights reserved.