Title: | Discrete diffraction and spatial gap solitons in photovoltaic LiNbO₃ waveguide arrays | Authors: | Chen, Feng Stepić, Milutin Rüter, Christian E. Runde, Daniel Kip, Detlef Shandarov, Vladimir Manela, Ofer Segev, Mordechai |
Language: | eng | Issue Date: | Mai-2005 | Publisher: | Soc. | Document Type: | Article | Journal / Series / Working Paper (HSU): | Optics express | Volume: | 13 | Issue: | 11 | Page Start: | 4314 | Page End: | 4324 | Publisher Place: | Washington, DC | Abstract: | We investigate, experimentally and theoretically, light propagation in one-dimensional waveguide arrays exhibiting a saturable self-defocusing nonlinearity. We demonstrate low-intensity "discrete diffraction", and the high-intensity formation of spatial gap solitons arising from the first band of the transmission spectrum. The waveguide arrays are fabricated by titanium in-diffusion in a photorefractive copper-doped lithium niobate crystal, and the optical nonlinearity arises from the bulk photovoltaic effect. © 2005 Optical Society of America. |
Organization Units (connected with the publication): | Technische Universität Clausthal | ISSN: | 1094-4087 1094-4087 |
Verlags-DOI: | 10.1364/OPEX.13.004314 |
Appears in Collections: | 6 - Publication references (without fulltext) of your publications before HSU |
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