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Optical resonance in inhomogeneous parity-time symmetric systems [Early Posting]

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摘要

We show that inhomogeneous waveguides of slowly varied parity-time (PT) symmetry support localized optical resonances. The resonance is closely related to the formation of exceptional points separating exact and broken PT phases. Salient features of this kind of non-Hermitian resonance, including the formation of half-vortex flux and the discrete nature, are discussed. This investigation highlights the unprecedented uniqueness of field dynamics in non-Hermitian systems with many potential adaptive applications.

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作者单位:

    Nankai University
    Nankai University
    Nankai University
    Nankai University
    Tianjin Normal University
    Shanxi University

引用该论文

Sun Lin-Shan,Zhao Bo,Yuan Jia-Qi,Zhang Yan-Rong,Kang Ming,Chen Jing. Optical resonance in inhomogeneous parity-time symmetric systems[J].Chinese Optics Letters,2021,19(7):07.