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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 45, Iss. 10 — Apr. 1, 2006
  • pp: 2273–2278

One-dimensional spatial dark soliton-induced channel waveguides in lithium niobate crystal

Peng Zhang, Yanghua Ma, Jianlin Zhao, Dexing Yang, and Honglai Xu  »View Author Affiliations

Applied Optics, Vol. 45, Issue 10, pp. 2273-2278 (2006)

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The anisotropic dependence of the formation of one-dimensional (1-D) spatial dark solitons on the orientation of intensity gradients in lithium niobate crystal is numerically specified. Based on this, we propose an approach to fabricate channel waveguides by employing 1-D spatial dark solitons. By exposure of two 1-D dark solitons with different orientations, channel waveguides can be created. The structures of the channel waveguides can be tuned by adjustment of the widths of the solitons and∕or the angles between the two exposures. A square channel waveguide is experimentally demonstrated in an iron-doped lithium niobate crystal by exposure of two orthogonal 1-D dark solitons in sequence.

© 2006 Optical Society of America

OCIS Codes
(130.3730) Integrated optics : Lithium niobate
(190.5330) Nonlinear optics : Photorefractive optics
(230.7380) Optical devices : Waveguides, channeled

ToC Category:
Nonlinear Optics

Original Manuscript: August 10, 2005
Revised Manuscript: September 22, 2005
Manuscript Accepted: September 22, 2005

Peng Zhang, Yanghua Ma, Jianlin Zhao, Dexing Yang, and Honglai Xu, "One-dimensional spatial dark soliton-induced channel waveguides in lithium niobate crystal," Appl. Opt. 45, 2273-2278 (2006)

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