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Optical isolator based on backward Brillouin scattering

文献类型：期刊论文

作者Ma, Sheng-Li2; Ren, Ya-Long2; Cao, Ming-Tao1; Zhang, Shou-Gang1; Li, Fu-Li2
刊名APPLIED PHYSICS LETTERS
出版日期2022-01-31
卷号120期号:5页码:5
ISSN号0003-6951
DOI10.1063/5.0072140
英文摘要We propose to realize an optical isolator based on backward Brillouin scattering in a whispering-gallery-mode (WGM) cavity that supports both traveling optical and acoustic waves. When the WGM cavity is optically driven in one direction, the time-reversal symmetry for light transmission is broken due to the unidirectional photon-phonon coupling. We show that the signal light is either transmitted or completely absorbed depending on whether it propagates in the same or opposite direction as the strong pump laser. The perfect absorption can be interpreted as a phase transition in a parity-time-symmetric Hamiltonian with the balanced gain and loss. The present work paves a way for the realization of an on-chip optical isolator with the high degree of isolation, large bandwidth, and low insertion loss simultaneously.
WOS关键词NON-RECIPROCITY
资助项目National Natural Science Foundation of China[11704306] ; National Natural Science Foundation of China[12074307] ; Fundamental Research Funds for the Central Universities[11913291000022]
WOS研究方向Physics
语种英语
WOS记录号WOS:000750841400010
出版者AIP Publishing
资助机构National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Fundamental Research Funds for the Central Universities ; Fundamental Research Funds for the Central Universities
源URL[http://210.72.145.45/handle/361003/13926]  
专题国家授时中心_量子频标研究室
通讯作者Cao, Ming-Tao; Li, Fu-Li
作者单位1.Chinese Acad Sci, Natl Time Serv Ctr, Key Lab Time & Frequency Primary Stand, Xian 710600, Peoples R China
2.Xi An Jiao Tong Univ, Shaanxi Prov Key Lab Quantum Informat & Quantum O, Key Lab Nonequilibrium Synth & Modulat Condensed, Minist Educ,Sch Phys, Xian 710049, Peoples R China
推荐引用方式
GB/T 7714		 Ma, Sheng-Li,Ren, Ya-Long,Cao, Ming-Tao,et al. Optical isolator based on backward Brillouin scattering[J]. APPLIED PHYSICS LETTERS,2022,120(5):5.
APA Ma, Sheng-Li,Ren, Ya-Long,Cao, Ming-Tao,Zhang, Shou-Gang,&Li, Fu-Li.(2022).Optical isolator based on backward Brillouin scattering.APPLIED PHYSICS LETTERS,120(5),5.
MLA Ma, Sheng-Li,et al."Optical isolator based on backward Brillouin scattering".APPLIED PHYSICS LETTERS 120.5(2022):5.

入库方式： OAI收割

来源：国家授时中心

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