Theory of stationary solitary waves generated by optical parametric interactions in the presence of Kerr-type nonlinearities and dissipations

We show analytically that inclusion of contributions from third-order nonlinearities in a theoretical model for optical parametric interactions derived from second-order nonlinearities makes possible the prediction of various kinds of stationary solitary-wave solution. Specifically these waves consist of hyperbolic (bright and dark types), algebraic (bright and dark types), and kink/antikink types. In the limit of vanishing third-order nonlinearities the first solitary-wave family (hyperbolic type) is reduced to solitary waves already reported. Effects of dissipations including one- and two-photon absorption are discussed as well.

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