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PT-symmetric coupler with a coupling defect: soliton interaction with exceptional point.

Yuli V Bludov, Chao Hang, Guoxiang Huang

    Optics Letters
    |July 1, 2014
    PubMed
    Summary

    Localized defects in parity-time (PT) symmetric couplers create exceptional points, altering soliton behavior. Solitons interacting with these defects transform into breathers or exhibit complex dynamics like beam splitting.

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