Acta Photonica Sinica, Volume. 47, Issue 9, 919001(2018)

Transmission of Multipole Solitons in Parity-Time Symmetric Scarff Potentials

HU Su-mei*, ZHONG Ting-ting, WU Hong-mei, ZHOU Qing-yun, and CHEN Hai-bo
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    The existence and stability of dipole and tripole solitons in Parity-Time(PT) symmetric Scarff complex potentials are investigated, including linear case, and self-focusing and self-defocusing nonlinear cases. For linear case, the PT-breaking points, eigenvalues and multipole linear modes for different modulated depths of PT symmetry Scarff complex potential are obtained numerically. For nonlinear cases, the existence and stability of multipole solitons are studied in self-focusing and self-defocusing media. For a fixed modulated depth, the eigenvalue for multipole linear modes is equalt to the critical propagation constant bc of multipole solitons existence. Multipole solitons are stable with the propagation constants close to bc both for self-focusing and self-defocusing nonlinearities.

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    HU Su-mei, ZHONG Ting-ting, WU Hong-mei, ZHOU Qing-yun, CHEN Hai-bo. Transmission of Multipole Solitons in Parity-Time Symmetric Scarff Potentials[J]. Acta Photonica Sinica, 2018, 47(9): 919001

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    Paper Information

    Received: May. 25, 2018

    Accepted: --

    Published Online: Sep. 15, 2018

    The Author Email: Su-mei HU (sumeihu@163.com)

    DOI:10.3788/gzxb20184709.0919001

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