Modulational instability and sister chirped femtosecond modulated waves in a nonlinear Schrödinger equation with self-steepening and self-frequency shift

We investigate the modulational instability phenomenon and demonstrate that the competing cubic–quintic nonlinearity induces propagating solitonlike bright (dark) solitons, first-order rogue waves embedded on a continuous wave background, and two sister modulated waves in the nonlinear Schrödinger e...

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