A quantitative approach to soliton instability

Boaz Ilan*, Yonatan Sivan, Gadi Fibich

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


We present an approach for instabilities of solitons that is based on the spectrum of a fourth-order linearized operator. Unlike the standard approach which is based on the slope (Vakhitov-Kolokolov) condition, this approach provides the quantitative value of the instability rate and the qualitative nature of the instability dynamics.

Original languageEnglish
Pages (from-to)397-399
Number of pages3
JournalOptics Letters
Issue number3
StatePublished - 1 Feb 2011


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