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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 19 — Oct. 1, 2008
  • pp: 2173–2175

Power-dependent shaping of vortex solitons in optical lattices with spatially modulated nonlinear refractive index

Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner  »View Author Affiliations


Optics Letters, Vol. 33, Issue 19, pp. 2173-2175 (2008)
http://dx.doi.org/10.1364/OL.33.002173


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Abstract

We address vortex solitons supported by optical lattices featuring modulation of both the linear and nonlinear refractive indices. We find that when the modulation is out of phase the competition between both effects results in remarkable shape transformations of the solitons that profoundly affect their properties and stability. Nonlinear refractive index modulation is found to impose restrictions on the maximal power of off-site solitons, which are shown to be stable only below a maximum nonlinearity modulation depth.

© 2008 Optical Society of America

OCIS Codes
(190.0190) Nonlinear optics : Nonlinear optics
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 17, 2008
Revised Manuscript: August 13, 2008
Manuscript Accepted: August 15, 2008
Published: September 18, 2008

Citation
Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner, "Power-dependent shaping of vortex solitons in optical lattices with spatially modulated nonlinear refractive index," Opt. Lett. 33, 2173-2175 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-19-2173

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