Stable higher-charge discrete vortices in hexagonal optical lattices

Authors

KJH Law
PG Kevrekidis, University of Massachusetts - AmherstFollow
TJ Alexander
W Krolikowski
YS Kivshar

Publication Date

2009

Journal or Book Title

PHYSICAL REVIEW A

Abstract

We show that double-charge discrete optical vortices may be completely stable in hexagonal photonic lattices where single-charge vortices always exhibit dynamical instabilities. Even when unstable the double-charge vortices typically have a much weaker instability than the single-charge vortices, and thus their breakup occurs at longer propagation distances.

Comments

The published version is located at http://pra.aps.org/abstract/PRA/v79/i2/e025801

Pages

-

Volume

79

Issue

2

Recommended Citation

Law, KJH; Kevrekidis, PG; Alexander, TJ; Krolikowski, W; and Kivshar, YS, "Stable higher-charge discrete vortices in hexagonal optical lattices" (2009). PHYSICAL REVIEW A. 59.
Retrieved from https://scholarworks.umass.edu/math_faculty_pubs/59