Formation and dynamic control of strong coupling among cavities are essential to realize advanced functional photonic and quantum circuits.Especially for cavities at distant distance or arbitrary locations.Conventiona...Formation and dynamic control of strong coupling among cavities are essential to realize advanced functional photonic and quantum circuits.Especially for cavities at distant distance or arbitrary locations.Conventional approaches suffer from short coupling distance,poor controllability,fixed locations and low wavelength uniformity,significantly restricting the scalability of photonic and quantum networks.Here,we exploit the intrinsic advantages of optical bound state in the continuum(BIC)and demonstrate an all-in-one solution for long-range coupled cavities.BIC metasurface can support a series of finite-sized quasi-BIC microlasers at arbitrary locations.The quasi-BICs microlasers have the same wavelength and are inherently connected through BIC metasurface.Consequently,the coupling distances in experiment increase significantly from subwavelength to tens of micrometers.Such long-range interaction in BIC metasurface enables scaling to two-dimensional architectures and ultrafast control of internal laser actions,e.g.,non-Hermitian zero-mode lasing.This research shall facilitate the advancement of scalable and reconfigurable photonic networks.展开更多
基金support by National Key Research and Development Program of China(Grant Nos.2024YFB2809200,2021YFA1400802 and 2022YFA1404700)National Natural Science Foundation of China(Grant Nos.6233000076,12334016,11934012,12025402,62125501,12261131500,92250302 and 62305084)+5 种基金Guangdong Basic and Applied Basic Research Foundation(2023A1515011746,2024B1515020060)Shenzhen Fundamental Research Projects(Grant Nos.GXWD 2022081714551)Guangdong Provincial Quantum Science Strategic Initiative(GDZX2406002)Shenzhen Science and Technology Program(Grant Nos.JCYJ20230807094401004)Shenzhen Fundamental research project(JCYJ20241202123719025,JCYJ20210324120402006,JCYJ20200109112805990,GXWD 20220817145518001)the Fundamental Research Funds for the Central Universities(Grant No.HIT.OCEF.2024020,2022FRFK01013).
文摘Formation and dynamic control of strong coupling among cavities are essential to realize advanced functional photonic and quantum circuits.Especially for cavities at distant distance or arbitrary locations.Conventional approaches suffer from short coupling distance,poor controllability,fixed locations and low wavelength uniformity,significantly restricting the scalability of photonic and quantum networks.Here,we exploit the intrinsic advantages of optical bound state in the continuum(BIC)and demonstrate an all-in-one solution for long-range coupled cavities.BIC metasurface can support a series of finite-sized quasi-BIC microlasers at arbitrary locations.The quasi-BICs microlasers have the same wavelength and are inherently connected through BIC metasurface.Consequently,the coupling distances in experiment increase significantly from subwavelength to tens of micrometers.Such long-range interaction in BIC metasurface enables scaling to two-dimensional architectures and ultrafast control of internal laser actions,e.g.,non-Hermitian zero-mode lasing.This research shall facilitate the advancement of scalable and reconfigurable photonic networks.
