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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 35, Iss. 5 — Mar. 1, 2010
  • pp: 628–630

Twin-vortex solitons in nonlocal nonlinear media

Fangwei Ye, Yaroslav V. Kartashov, Bambi Hu, and Lluis Torner  »View Author Affiliations

Optics Letters, Vol. 35, Issue 5, pp. 628-630 (2010)

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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

Original Manuscript: November 16, 2009
Revised Manuscript: January 11, 2010
Manuscript Accepted: January 16, 2010
Published: February 19, 2010

Fangwei Ye, Yaroslav V. Kartashov, Bambi Hu, and Lluis Torner, "Twin-vortex solitons in nonlocal nonlinear media," Opt. Lett. 35, 628-630 (2010)

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