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Generation of multiple ultrashort solitons in heterogeneous medium with self-focusing and defocusing nonlinearities

André.C.A. Siqueira, B.A. Malomed, Cid B. de Araújo, and Edilson L. Falcão-Filho

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Abstract

We present an alternative way to generate multiple ultrashort solitons through the propagation of fs-Gaussian pulses, under normal dispersion, in a 1-D stack material consisting of self-focusing followed by a defocusing nonlinearity media. The spectral and temporal solitonic evolutions are numerically presented.

© 2022 The Author(s)

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