Stable higher-charge discrete vortices in hexagonal optical lattices
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Law, Kods JH; Kevrekidis, P G; Alexander, Tristram J; Krolikowski, Wieslaw; Kivshar, Yuri
Description
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.
Collections | ANU Research Publications |
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Date published: | 2009 |
Type: | Journal article |
URI: | http://hdl.handle.net/1885/37730 |
Source: | Physical Review A: Atomic, Molecular and Optical Physics |
DOI: | 10.1103/PhysRevA.79.025801 |
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01_Law_Stable_higher-charge_discrete_2009.pdf | 268.3 kB | Adobe PDF |
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