Journal
JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B-OPTICAL PHYSICS
Volume 22, Issue 7, Pages 1366-1370Publisher
OPTICAL SOC AMER
DOI: 10.1364/JOSAB.22.001366
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We reveal the existence of dynamically stable, composite topological solitons in Bessel photonic lattices imprinted in focusing Kerr-type nonlinear media. The new stable, composite solitons are made of a vortex ring with unit topological charge incoherently coupled to a fundamental soliton. The stabilization of the otherwise highly azimuthally unstable vortex rings is provided under suitable conditions, which we study in detail, by cross-phase-modulation coupling with the fundamental soliton companion. (c) 2005 Optical Society of America.
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