WAVE AMPLIFICATION OUTSIDE OF THE MODULATION INSTABILITY BAND

Stanko N. Nikolić*, Najdan B. Aleksić, Wieslav Krolikowski, Milivoj R. Belić, Nail Akhmediev

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

We show that linear stability analysis not only describes the effect of modulation instability of a plane wave in nonlinear media but it also predicts significant wave amplification outside of the standard instability band. As an example, we consider the classic MI in the case of the nonlinear Schrödinger equation. However, similar amplification may take place in many other nonlinear media that admit modulation instability.

Original languageEnglish
Article number115
JournalRomanian Journal of Physics
Volume68
Issue number9-10
DOIs
Publication statusPublished - 2023
Externally publishedYes

Keywords

  • Nonlinear Schrödinger equation
  • modulation instability

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