Abstract:We study the properties of an intense pulse propagating in dissipative nonlinear systems considering nonlinear dispersion within the framework of variational approach. We model the system by the so-called saturable cubic-quintic nonlinear Schrodinger equation including perturbing terms like two photon absorption, intra-pulse Raman scattering and dissipative losses. Introducing Rayleigh's dissipative function we derive a set of couple differential equations for the various parameters of the pulse. It is clearl… Show more
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