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Optics Letters

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  • Vol. 36, Iss. 19 — Oct. 1, 2011
  • pp: 3801–3803

Surface dark screening solitons

W. Q. Chen, X. Yang, S. Y. Zhong, Z. Yan, T. H. Zhang, J. G. Tian, and J. J. Xu  »View Author Affiliations


Optics Letters, Vol. 36, Issue 19, pp. 3801-3803 (2011)
http://dx.doi.org/10.1364/OL.36.003801


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Abstract

We report on the existence of surface dark screening solitons at the interface between a dielectric medium (air) and a self-defocusing nonlinear material, taking advantage of photorefractive diffusion and drift nonlinearities. It is very interesting that a surface dark soliton is just like half of a dark soliton in bulk, but not a whole dark soliton propagating along surface. The excitation, propagation, and stability of this type of soliton are studied by using the beam-propagation method. Another interesting thing is that this type of dark soliton can be excited by a planar light beam without a necessary dark notch.

© 2011 Optical Society of America

OCIS Codes
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(240.6690) Optics at surfaces : Surface waves
(190.6135) Nonlinear optics : Spatial solitons

ToC Category:
Nonlinear Optics

History
Original Manuscript: June 10, 2011
Revised Manuscript: August 16, 2011
Manuscript Accepted: August 21, 2011
Published: September 23, 2011

Citation
W. Q. Chen, X. Yang, S. Y. Zhong, Z. Yan, T. H. Zhang, J. G. Tian, and J. J. Xu, "Surface dark screening solitons," Opt. Lett. 36, 3801-3803 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-19-3801

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