Properties of squeezed-state excitations

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Published under licence by IOP Publishing Ltd
, , Citation Vladimir I Man'ko and Alfred Wünsche 1997 Quantum Semiclass. Opt. 9 381 DOI 10.1088/1355-5111/9/3/010

1355-5111/9/3/381

Abstract

The photon distribution function of a discrete series of excitations of squeezed coherent states is given explicitly in terms of Hermite polynomials of two variables. The Wigner and the coherent-state quasiprobabilities are also presented in closed form through the Hermite polynomials and their limiting cases. Expectation values of photon numbers and their dispersion are calculated. Some three-dimensional plots of photon distributions for different squeezing parameters demonstrating oscillatory behaviour are given.

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10.1088/1355-5111/9/3/010