Nonlinear photonic crystals near the supercollimation point

Zhiyong Xu*, Björn Maes, Xunya Jiang, John D. Joannopoulos, Lluis Torner, Marin Soljačić

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

8 Citations (Scopus)

Abstract

We uncover a strong coupling between nonlinearity and diffraction in a photonic crystal at the supercollimation point. We show that this is modeled by a nonlinear diffraction term in a nonlinear-Schrödinger-type equation in which the properties of solitons are investigated. Linear stability analysis shows solitons are stable in an existence domain that obeys the Vakhitov-Kolokolov criterium. In addition, we investigate the influence of the nonlinear diffraction on soliton collision scenarios.

Original languageEnglish
Pages (from-to)1762-1764
Number of pages3
JournalOptics Letters
Volume33
Issue number15
DOIs
Publication statusPublished - 1 Aug 2008
Externally publishedYes

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