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Optics Letters

Optics Letters


  • Editor: Alan E. Willner
  • Vol. 38, Iss. 21 — Nov. 1, 2013
  • pp: 4417–4420

Light dynamics in materials with radially inhomogeneous thermal conductivity

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

Optics Letters, Vol. 38, Issue 21, pp. 4417-4420 (2013)

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We study the properties of bright and vortex solitons in thermal media with nonuniform thermal conductivity and homogeneous refractive index, whereby the local modulation of the thermal conductivity strongly affects the entire refractive index distribution. While regions where the thermal conductivity is increased effectively expel light, self-trapping may occur in the regions with reduced thermal conductivity, even if such regions are located close to the material boundary. As a result, strongly asymmetric self-trapped beams may form inside a ring with reduced thermal conductivity and perform persistent rotary motion. Also, such rings are shown to support stable vortex solitons, which may feature strongly noncanonical shapes.

© 2013 Optical Society of America

OCIS Codes
(190.5940) Nonlinear optics : Self-action effects
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

Original Manuscript: August 14, 2013
Manuscript Accepted: September 25, 2013
Published: October 29, 2013

Yaroslav V. Kartashov, Victor A. Vysloukh, and Lluis Torner, "Light dynamics in materials with radially inhomogeneous thermal conductivity," Opt. Lett. 38, 4417-4420 (2013)

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