Asymmetric solitons and domain walls supported by inhomogeneous defocusing nonlinearity

Yaroslav V. Kartashov, Valery E. Lobanov, Boris A. Malomed, Lluis Torner

Research output: Contribution to journalArticlepeer-review

Abstract

We show that an inhomogeneous defocusing nonlinearity that grows toward the periphery in the positive and negative transverse directions at different rates can support strongly asymmetric fundamental and multipole bright solitons, which are stable in wide parameter regions. In the limiting case, when nonlinearity is uniform in one direction, solitons transform into stable domain walls (fronts), with constant or oscillating intensity in the homogeneous region, attached to a tail rapidly decaying in the direction of growing nonlinearity.

Original languageEnglish
Pages (from-to)5000-5002
Number of pages3
JournalOptics Letters
Volume37
Issue number23
DOIs
StatePublished - 1 Dec 2012

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