The modified nonlinear Schrödinger equation: facts and artefacts
B.I. Stepanov Institute of Physics, 220072 Minsk,
Revised: 25 January 2002
Published online: 2 October 2002
We argue that the integrable modified nonlinear Schrödinger equation with the nonlinearity dispersion term is the true starting point to analytically describe subpicosecond pulse dynamics in monomode fibers. Contrary to the known assertions, solitons of this equation are free of self-steepening and the breather formation is possible.
PACS: 02.30.Jr – Integrable systems / 42.65.Tg – Optical solitons; nonlinear guided waves
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 2002