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: en
Subject (DDC): DDC::500 Naturwissenschaften und Mathematik
Issue Date: May-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
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
URL: https://api.elsevier.com/content/abstract/scopus_id/21244459962
ISSN: 10944087
DOI: 10.1364/OPEX.13.004314
Appears in Collections:Publications of the HSU Researchers (before HSU)

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