Double-Wavelength Coherent Perfect Absorption Laser in Thue-Morse Pt-Symmetric Photonic Crystals

Haihong Xu,Guopeng Zhou,Fanghua Liu,Hao Ni,Yang Wang

SSRN Electronic Journal（2022）

引用 2|浏览1

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摘要

•The wavelength of the CPA-LP is dependent on the Th-M sequence number, the incident angle and the gain-loss factor in a photonic crystal.•Double-wavelength CPA-LPs may be achieved with the same value of incident angle for a specific gain-loss factor.•Double-wavelength laser consequently is supported and the transmittance of the CPA-LPs is optional.

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关键词

Coherent perfect absorption,Laser points,Double-wavelength,PT-symmetry,Thue-Morse sequence,Photonic crystal

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