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Optics Letters

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  • Vol. 29, Iss. 13 — Jul. 1, 2004
  • pp: 1530–1532

Discrete propagation and spatial solitons in nematic liquid crystals

Andrea Fratalocchi, Gaetano Assanto, Kasia A. Brzdakiewicz, and Mirek A. Karpierz  »View Author Affiliations


Optics Letters, Vol. 29, Issue 13, pp. 1530-1532 (2004)
http://dx.doi.org/10.1364/OL.29.001530


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Abstract

We investigate, for the first time to our knowledge, the discrete propagation of near-infrared light in a voltage-controlled array of channel waveguides in undoped nematic liquid crystals under planar anchoring conditions. This novel geometry enables us to drive the system from one-dimensional bulk diffraction to discrete propagation and, for larger excitations, to discrete spatial solitons, or nematicons. The observed phenomena are adequately described by a scalar model that encompasses the voltage-dependent reorientational response of the material.

© 2004 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(190.4400) Nonlinear optics : Nonlinear optics, materials
(190.5940) Nonlinear optics : Self-action effects

Citation
Andrea Fratalocchi, Gaetano Assanto, Kasia A. Brzdakiewicz, and Mirek A. Karpierz, "Discrete propagation and spatial solitons in nematic liquid crystals," Opt. Lett. 29, 1530-1532 (2004)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-29-13-1530


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