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Scattering of the discrete solitons on the PT-symmetric defects

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


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
Source: Europhysics Letters
DOI: 10.1209/0295-5075/100/54003
Access Rights: Open Access


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