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Scattering of the discrete solitons on the PT-symmetric defects

Suchkov, Sergey; Sukhorukov, Andrey A; Dmitriev, Sergey; Kivshar, Yuri

Description

We study the propagation of linear waves and solitons in an array of optical waveguides with an embedded defect created by a pair of waveguides with gain and loss satisfying the socalled parity-time (PT ) symmetry condition. We demonstrate that in the case of small soliton amplitudes, the linear theory describes the scattering of solitons with a good accuracy. We find that the incident high-amplitude solitons can excite the mode localized at the PT -symmetric defect. We also show that by...[Show more]

CollectionsANU Research Publications
Date published: 2012
Type: Journal article
URI: http://hdl.handle.net/1885/71924
Source: Europhysics Letters
DOI: 10.1209/0295-5075/100/54003

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