Understanding the relationship between plasmon near-field enhancement and lifetime is crucial for various applications,yet their inverse correlation in single-element nanoresonators remains underexplored.Here,we exper...Understanding the relationship between plasmon near-field enhancement and lifetime is crucial for various applications,yet their inverse correlation in single-element nanoresonators remains underexplored.Here,we experimentally demonstrate an inverse correlation between these two parameters in single-element gold lateral V-shaped nanoresonators under different light polarization conditions by tuning the opening angle,through femtosecond time-resolved photoemission electron microscopy.Specifically,under p-polarized light irradiation,as the opening angle of V-shaped nanoresonators decreases,the plasmon near-field enhancement increases while the lifetime shortens simultaneously.展开更多
基金National Key Research and Development Program of China(2022YFA1604304,2022YFA1604303)National Natural Science Foundation of China(12404356,12374341)+2 种基金Department of Science and Technology of Jilin Province(YDZJ202401607ZYTS)Natural Science Foundation of Chongqing Municipality(CSTB2023NSCQMSX1026,CSTB2023NSCQ-MSX0302,CSTB2023NSCQMSX0708)111 Project(D17017)。
文摘Understanding the relationship between plasmon near-field enhancement and lifetime is crucial for various applications,yet their inverse correlation in single-element nanoresonators remains underexplored.Here,we experimentally demonstrate an inverse correlation between these two parameters in single-element gold lateral V-shaped nanoresonators under different light polarization conditions by tuning the opening angle,through femtosecond time-resolved photoemission electron microscopy.Specifically,under p-polarized light irradiation,as the opening angle of V-shaped nanoresonators decreases,the plasmon near-field enhancement increases while the lifetime shortens simultaneously.
