首页|Talbot effect in anti-PT symmetric synthetic photonic lattices

Talbot effect in anti-PT symmetric synthetic photonic lattices

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We investigated the Talbot effect in an anti-parity-time[PT]symmetric synthetic photonic lattice composed of two coupled fiber loops.We calculated the band structures and found that with an increase in the gain-loss parameter,the band tran-sitions from a real spectrum to a complex spectrum.We study the influence of phase in the Hermitian operator on the Talbot effect,and the Talbot effect disappears when the period of the input field is N＞8.Further study shows that the variation of Talbot distance can also be modulated by non-Hermitian coefficients of gain and loss.This work may find significant appli-cations in pulse repetition-rate multiplication,temporal invisibility,and tunable intensity amplifiers.

Talbot effectsynthetic dimensionsanti-PT symmetryphotonic lattices

刘兆峰、唐思维、温增润、高垣梅、蔡阳健、郑立仁

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Shandong Provincial Engineering and Technical Center of Light Manipulations & Shandong Provincial Key Laboratory of Optics and Photonic Device,School of Physics and Electronics,Shandong Normal University,Jinan 250358,China

School of Physical Science and Technology,Soochow University,Suzhou 215006,China

国家重点研发计划国家重点研发计划国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金Local Science and Technology Development Project of the Central Government

2022YFA14048002019YFA0705000121042721227427091950104121922549225030411974218YDZX20203700001766

2024

10.3788/COL202422.031901

中国光学快报(英文版)
中国光学学会 中国科学院上海光学精密机械研究所

中国光学快报(英文版)

CSTPCD
影响因子：1.305
ISSN：1671-7694
年,卷(期)：2024.22(3)
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