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Nonlinear Tamm States in Periodic Photonic Structures

Rosberg, Christian; Neshev, Dragomir; Kartashov, Yaroslav V; Vicencio, Rodrigo; Krolikowski, Wieslaw; Molina, Mario I; Mitchell, Arnan; Vysloukh, Victor; Torner, Lluis; Kivshar, Yuri


The self action of a narrow laser beam propagating near the edge of a lithium niobate waveguide array with defocusing nonlinearity and a semi-infinite periodic refractive index modulation in the transverse direction was investigated. The formation of surface gap solitons or nonlinear Tamm states was observed. The self-trapping of light was observed in the nonlinear regime above a certain threshold power when the propagation constant was shifted into the gap of the photonic transmission...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Optics and Photonics News


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