Third-Harmonic Generation From Double Nanohole Aperture in Gold Film

被引:0
|
作者
Yi, Tianan [1 ,2 ]
Su, Wei [1 ,2 ]
Geng, Zhen [1 ,2 ]
机构
[1] Hohai Univ, Dept Math & Phys, Changzhou Campus, Changzhou 213022, Peoples R China
[2] Hohai Univ, Coll Mech & Elect Engn, Changzhou Campus, Changzhou 213022, Peoples R China
基金
中国国家自然科学基金;
关键词
Nonlinear optics; spectroscopy; third-harmonic generation; HARMONIC-GENERATION; PLASMON RESONANCES;
D O I
10.1109/LPT.2019.2950233
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
We investigate the third-harmonic generation response from a single aperture structure. Two models of circular and triangular double nanohole aperture are compared by using the finite difference time-domain simulations, and we find the double circular hole has a stronger third-harmonic generation response. The influence of gap sizes of the aperture on third-harmonic generation response has also been analyzed. The results show that the aperture with the narrower gap could provide a higher third-harmonic generation signal peak. Further experimental measurements agree with the simulation results.
引用
收藏
页码:1936 / 1939
页数:4
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