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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: G. I. Stegeman
  • Vol. 23, Iss. 2 — Feb. 1, 2006
  • pp: 294–301

Spatial soliton evolution in nematic liquid crystals in the nonlinear local regime

Cathy García Reinbert, Antonmaria A. Minzoni, and Noel F. Smyth  »View Author Affiliations


JOSA B, Vol. 23, Issue 2, pp. 294-301 (2006)
http://dx.doi.org/10.1364/JOSAB.23.000294


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Abstract

Spatial solitons in nematic liquid crystals are considered in the regime of local response of the crystal, such solitons having been called nematicons in previous experimental studies. In the limit of low light intensity and local material response, it is shown that the full governing equations reduce to a single, higher-order nonlinear Schrödinger equation. Modulation equations are derived for the evolution of a nematiconlike pulse; these equations also include the dispersive radiation shed as the pulse evolves. The modulation equations show that a nematicon is (weakly) stable. Solutions of the modulation equations are compared with numerical solutions of the full governing equations, and good agreement is found when the light intensity is small.

© 2006 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.5330) Nonlinear optics : Photorefractive optics
(190.5530) Nonlinear optics : Pulse propagation and temporal solitons
(190.5940) Nonlinear optics : Self-action effects

ToC Category:
Nonlinear Optics

History
Original Manuscript: August 29, 2005
Manuscript Accepted: September 16, 2005

Citation
Cathy García Reinbert, Antonmaria A. Minzoni, and Noel F. Smyth, "Spatial soliton evolution in nematic liquid crystals in the nonlinear local regime," J. Opt. Soc. Am. B 23, 294-301 (2006)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-23-2-294

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