首页|Plasmon-induced nonlinear response on gold nanoclusters

Plasmon-induced nonlinear response on gold nanoclusters

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The plasmon-induced nonlinear response has attracted great attention in micro-nano optics and optoelectronics appli-cations,yet the underlying microscopic mechanism remains elusive.In this study,the nonlinear response of gold nanoclus-ters when exposed to a femtosecond laser pulse was investigated using time-dependent density functional theory.It was observed that the third-order tunneling current was augmented in plasmonic dimers,owing to a greater number of electrons in the dimer being excited from occupied to unoccupied states.These findings provide profound theoretical insights and enable the realization of accurate regulation and control of nonlinear effects induced by plasmons at the atomic level.

plasmonnonlinear opticstime-dependent density functional theory(TDDFT)

宋玉慧、曹逸飞、黄思晨、李凯超、杜如海、严蕾、付正坤、张正龙

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School of Physics and Information Technology,Shaanxi Normal University,Xi'an 710119,China

国家重点研发计划国家重点研发计划国家自然科学基金国家自然科学基金国家自然科学基金国家自然科学基金陕西省自然科学基金Fundamental Science Foundation of Shaanxi中央高校基本科研业务费专项中央高校基本科研业务费专项

2020YFA02113002021YFA1201500U22A60059215011012074237123044262024JC-JCQN-0722JSZ010GK202201012GK202308001

2024

10.1088/1674-1056/ad1a8b

中国物理B(英文版)
中国物理学会和中国科学院物理研究所

中国物理B(英文版)

CSTPCDEI
影响因子：0.995
ISSN：1674-1056
年,卷(期)：2024.33(4)
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