Stable bright and vortex solitons in photonic crystal fibers with inhomogeneous defocusing nonlinearity

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

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We predict that a photonic crystal fiber whose strands are filled with a defocusing nonlinear medium can support stable bright solitons and also vortex solitons if the strength of the defocusing nonlinearity grows toward the periphery of the fiber. The domains of soliton existence depend on the transverse growth rate of the filling nonlinearity and nonlinearity of the core. Remarkably, solitons exist even when the core material is linear.

Original languageEnglish
Pages (from-to)1799-1801
Number of pages3
JournalOptics Letters
Volume37
Issue number11
DOIs
StatePublished - 1 Jun 2012

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