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In the Schroedinger picture, we find explicit solutions for two models ofdegenerate parametric oscillators in the case of multiparameter squeezed inputphotons. The corresponding photon statistics and Wigner's function are alsoderived in coordinate representation. Their time evolution is investigated indetail. The unitary transformation is briefly discussed too.

Degenerate Parametric Amplification of Squeezed Photons: Explicit Solutions, Statistics, Means and Variances