Self-trapping of optical vortices in photonic lattices optically induced with self-defocusing nonlinearity

Daohong Song; Liqin Tang; Cibo Lou; Xiaosheng Wang; Jingjun Xu; Zhigang Chen; Zhigang Chen; H. Susanto; K. Law; P. G. Kevrekidis

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest (CD) (Optica Publishing Group, 2008),
paper QTuI6

Self-trapping of optical vortices in photonic lattices optically induced with self-defocusing nonlinearity

Daohong Song, Liqin Tang, Cibo Lou, Xiaosheng Wang, Jingjun Xu, Zhigang Chen, H. Susanto, K. Law, and P. G. Kevrekidis

Quantum Electronics and Laser Science Conference 2008

San Jose, California United States
4–9 May 2008
ISBN: 978-1-55752-859-9

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Spatial Effects and Instabilities (QTuI)

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D. Song, L. Tang, C. Lou, X. Wang, J. Xu, Z. Chen, H. Susanto, K. Law, and P. G. Kevrekidis, "Self-trapping of optical vortices in photonic lattices optically induced with self-defocusing nonlinearity," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest (CD) (Optica Publishing Group, 2008), paper QTuI6.

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Abstract

We demonstrate self-trapping of singly- and doubly-charged vortices in a self-defocusing “backbone” photonic lattice. While the singly-charged vortex can evolve into a gap vortex soliton, the doubly-charged tends to turn into quasi-vortex or quadrupole structure.

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