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Nonlinear breaking of PT symmetry in coupled waveguides with balanced gain and loss

Xu, Zhiyong; Sukhorukov, Andrey; Kivshar, Yuri


We predict that in coupled waveguides with balanced gain and loss, featuring stationary PT-symmetric modes in the linear regime, nonlinearity results in symmetry breaking above a critical power threshold, leading to sharp beam switching.

CollectionsANU Research Publications
Date published: 2010
Type: Conference paper
Source: Optics InfoBase Conference Papers


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