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Dark solitary waves in the nonlinear Schrödinger equation with third order dispersion, self-steepening, and
S L Palacios1, A Guinea, J M Fernández-Díaz
1Departamento de Física, Facultad de Ciencias, Universidad de Oviedo, C/Calvo Sotelo s/n, Oviedo E-33007, Spain. sergio@pinon.ccu.uniovi.es
Abstract:
We solve the higher order nonlinear Schrödinger equation describing the propagation of ultrashort pulses in optical fibers. By means of the coupled amplitude-phase formulation fundamental (solitary wave) dark soliton solutions are found.