Abstract

An approach for the generation of high-intensity pulses via inelastic collision of solitons in dispersion variable fiber is proposed. The rogue-like pulse arises due to stimulated soliton collisions and non-adiabatic variation of the fiber dispersion. The analysis of the eigenvalues of Zakharov–Shabat spectral problem is given. We showed that the eigenvalues are affected by the fast change of the dispersion at the moment of soliton collision. High-intensity pulse generation under simultaneous effect of dispersion oscillation and stimulated Raman scatering is demonstarted. We proposed to use segmented fiber to generate the high-intensity pulse from inelastic soliton collision.

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