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Optics Letters

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  • Vol. 23, Iss. 15 — Aug. 1, 1998
  • pp: 1176–1178

Anisotropy, nonlocality, and space-charge field displacement in (2 + 1)-dimensional self-trapping in biased photorefractive crystals

S. Gatz and J. Herrmann  »View Author Affiliations


Optics Letters, Vol. 23, Issue 15, pp. 1176-1178 (1998)
http://dx.doi.org/10.1364/OL.23.001176


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Abstract

The complete basic equations for (2+1) -dimensional self-trapped beam propagation in photorefractive media are numerically solved, with the anisotropic nonlocal response, diffusion, and space-charge-field displacement effects taken into account. Initial Gaussian beams show elliptical beam shapes, self-deflection, and long-lived oscillations after propagation. The critical parameters that determine the possible damping of the transients are discussed.

© 1998 Optical Society of America

OCIS Codes
(160.1190) Materials : Anisotropic optical materials
(160.5320) Materials : Photorefractive materials
(190.0190) Nonlinear optics : Nonlinear optics
(190.5330) Nonlinear optics : Photorefractive optics

Citation
S. Gatz and J. Herrmann, "Anisotropy, nonlocality, and space-charge field displacement in (2 + 1)-dimensional self-trapping in biased photorefractive crystals," Opt. Lett. 23, 1176-1178 (1998)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-23-15-1176


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