Twin-vortex solitons in nonlocal nonlinear media
Optics Letters, Vol. 35, Issue 5, pp. 628-630 (2010)
http://dx.doi.org/10.1364/OL.35.000628
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Abstract
We consider soliton formation in thermal nonlinear media bounded by rectangular cross sections and uncover what we believe to be a new class of nonlinear stationary topological state. Specifically, we find that stationary higher-order vortex states in standard shapes do not exist, but rather they take the form of multiple spatially separated single-charge singularities nested in an elliptical beam. Double-charge states are found to be remarkably robust despite their shape asymmetry and phase-singularity splitting. States with higher topological charges are found to be unstable.
© 2010 Optical Society of America
OCIS Codes
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
ToC Category:
Nonlinear Optics
History
Original Manuscript: November 16, 2009
Revised Manuscript: January 11, 2010
Manuscript Accepted: January 16, 2010
Published: February 19, 2010
Citation
Fangwei Ye, Yaroslav V. Kartashov, Bambi Hu, and Lluis Torner, "Twin-vortex solitons in nonlocal nonlinear media," Opt. Lett. 35, 628-630 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-5-628
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