Dynamical system of optical soliton parameters by variational principle (super-Gaussian and super-sech pulses)

Abstract

The parameter dynamics of super-sech and super-Gaussian pulses for the perturbed nonlinear Schrödinger’s equation with power-law nonlinearity is obtained in this article. The variational principle successfully recovers this dynamical system. The details of the variational principle with the implementation of the Euler–Lagrange’s equation to the nonlinear Schrödinger’s equation with power-law of nonlinearity described in this paper have not been previously reported.

Keywords

• solitons
• variational principle
• perturbation
• euler–lagrange