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Selected Works of Panos Kevrekidis
Article
Stable higher-charge discrete vortices in hexagonal optical lattices
Physical Review A (2009)
  • KJH Law
  • PG Kevrekidis, University of Massachusetts - Amherst
  • TJ Alexander
  • W Krolikowski
  • YS Kivshar
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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.
Keywords
  • optical lattices,
  • optical self-focusing,
  • optical vortices
Disciplines
Publication Date
February 3, 2009
Publisher Statement
DOI: 10.1103/PhysRevA.79.025801
Citation Information
KJH Law, PG Kevrekidis, TJ Alexander, W Krolikowski, et al.. "Stable higher-charge discrete vortices in hexagonal optical lattices" Physical Review A Vol. 79 Iss. 2 (2009)
Available at: http://works.bepress.com/panos_kevrekidis/50/