On the modulation instability development in optical fiber systems

D. S. Agafontsev

Research output: Contribution to journalArticlepeer-review

Abstract

Extensive numerical simulations were performed to investigate all stages of modulation instability development from the initial pulse of pico-second duration in photonic crystal fiber: quasi-solitons and dispersive waves formation, their interaction stage and the further propagation. Comparison between 4 different NLS-like systems was made: the classical NLS equation, NLS system plus higher dispersion terms, NLS plus higher dispersion and self-steepening and also fully generalized NLS equation with Raman scattering taken into account. For the latter case a mechanism of energy transfer from smaller quasi-solitons to the bigger ones is proposed to explain the dramatical increase of rogue waves appearance frequency in comparison to the systems when the Raman scattering is not taken into account.

Original languageEnglish
Pages (from-to)630-635
Number of pages6
JournalJETP Letters
Volume91
Issue number12
DOIs
Publication statusPublished - Jun 2010
Externally publishedYes

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