Ultrawide dynamic modulation of perfect absorption with a Friedrich–Wintgen BIC

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成果类型：

期刊论文

作者：

Gao, Enduo;Jin, Rong;Fu, Zhenchu;Cao, Guangtao;Deng, Yan;...

通讯作者：

Guanhai Li

作者机构：

[Gao, Enduo; Li, Hongjian] Cent South Univ, Sch Phys & Elect, Changsha 410083, Peoples R China.

[Chen, Xiaoshaung; Jin, Rong; Fu, Zhenchu; Chen, Jian; Li, Guanhai] Chinese Acad Sci, Shanghai Inst Tech Phys, State Key Lab Infrared Phys, Shanghai 200083, Peoples R China.

[Cao, Guangtao] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410004, Peoples R China.

[Deng, Yan] Hunan First Normal Univ, Sch Phys & Chem, Changsha 410205, Peoples R China.

[Li, Guanhai] Univ Chinese Acad Sci, Hangzhou Inst Adv Study, Hangzhou 310024, Peoples R China.

通讯机构：

[Guanhai Li] S

State Key Laboratory of Infrared Physics, Shanghai Institute of Technical Physics, Chinese Academy of Sciences, Shanghai 200083, China<&wdkj&>Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou 310024, China

语种：

英文

关键词：

Coupled mode theory;Frequency modulation;Modulation techniques;Resonant modes;Surface plasmon polaritons;Waveguide modes

关键词(中文)：

光学期刊,光学期刊联盟,光学论文,光电资讯,光电社区,光学人物,光学专家,光学实验室,光学文献,编辑出版,光学权威,光学前沿,光学会议,微信智能应答服务,光学资源库,DOI代理注册,高功率激光,High Power Laser Science and Engineer,光子学研究,Photonics Research,中国光学快报,COL,Chinese Optics Letters,光学学报,中国激光,激光与光电子学进展

期刊：

光子学研究(英文)

ISSN：

2327-9125

年：

2023

卷：

期：

页码：

456-462

DOI：

10.1364/PRJ.481020

基金类别：

Hunan Provincial Innovation Foundation for Postgraduate (1053320200208); Shanghai Municipal Science and Technology Major Project (2019SHZDZX01); Science and Technology Commission of Shanghai Municipality (20JC1416000, 22JC1402900); Shanghai Rising-Star Program (20QA1410400); Natural Science Foundation of Zhejiang Province (LR22F050004); Strategic Priority Research Program of Chinese Academy of Sciences (XDB43010200); Youth Innovation Promotion Association of the Chinese Academy of Sciences (Y2021070); National Natural Science Foundation of China (61865006, 61875218, 62222514, 91850208); National Key Research and Development Program of China (2018YFA0306200).

机构署名：

本校为其他机构

院系归属：

物理与电子科学学院

摘要：

Dynamical control of perfect absorption plays an indispensable role in optical switch and modulators. However, it always suffers from the limited modulation range, small depth, and susceptible absorption efficiencies. Here, we propose a new strategy based on Friedrich–Wintgen bound states in the continuum (F–W BICs) to realize a tunable perfect absorber with large dynamic modulation range. For proof of concept, we demonstrate a pentaband ultrahigh absorption system consisting of graphene gratings and graphene sheets through elaborately tuning...

摘要(中文)：

Dynamical control of perfect absorption plays an indispensable role in optical switch and modulators.However,i...展开更多 Dynamical control of perfect absorption plays an indispensable role in optical switch and modulators.However,it always suffers from the limited modulation range,small depth,and susceptible absorption efficiencies.Here,we propose a new strategy based on Friedrich–Wintgen bound states in the continuum(F–W BICs)to realize a tunable perfect absorber with large dynamic modulation range.For proof of concept,we demonstrate a pent...

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Ultrawide dynamic modulation of perfect absorption with a Friedrich–Wintgen BIC

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