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Observation of nonlinear surface waves in modulated waveguide arrays

Qi, Xinyuan; Garanovich, Ivan L; Xu, Zhiyong; Sukhorukov, Andrey A; Krolikowski, Wieslaw; Mitchell, Arnan; Zhang, Guoquan; Neshev, Dragomir N; Kivshar, Yuri S


We describe theoretically and study experimentally nonlinear surface waves at the edge of a modulated waveguide array with a surface defect and a self-defocusing nonlinearity. We fabricate such structures in a LiNbO(3) crystal and demonstrate the beam switching to different output waveguides with a change of the light intensity due to nonlinear coupling between the linear surface modes supported by the array.

CollectionsANU Research Publications
Date published: 2009-09-15
Type: Journal article
Source: Optics letters
DOI: 10.1364/OL.34.002751


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