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Stable higher-charge discrete vortices in hexagonal optical lattices
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Law, K. J. H., Kevrekidis, P., Alexander, Tristram, Królikowski, Wieslaw and Kivshar, Yuri (2009) Stable higher-charge discrete vortices in hexagonal optical lattices. Physical Review A, Vol.79 (No.2). Article no. 025801 . doi:10.1103/PhysRevA.79.025801
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Official URL: http://dx.doi.org/10.1103/PhysRevA.79.025801
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.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Divisions: | Faculty of Science > Mathematics | ||||
| Journal or Publication Title: | Physical Review A | ||||
| Publisher: | American Physical Society | ||||
| ISSN: | 1050-2947 | ||||
| Official Date: | 2009 | ||||
| Dates: |
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| Volume: | Vol.79 | ||||
| Number: | No.2 | ||||
| Page Range: | Article no. 025801 | ||||
| DOI: | 10.1103/PhysRevA.79.025801 | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published |
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