Abstract:The dynamics of nonlinear pulse propagation in optical fibers is governed by the famous nonlinear Schrödinger equation (NLSE), in which the groupvelocity dispersion and self-phase modulation form a basic set of optical processes describing a broad range of realistic physical situations. In this work, by means of variational formalism for the NLSE, we derive exact analytical expressions for the variational equations corresponding to the amplitude, width and chirp of the pulse in terms of initial pulse parameter… Show more
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