Second Harmonic Generation of Surface Plasmon Polaritons in a Plasmonic Waveguide

doi:10.13209/j.0479-8023.2022.085

Acta Scientiarum Naturalium Universitatis Pekinensis ›› 2022, Vol. 58 ›› Issue (6): 999-1006.DOI: 10.13209/j.0479-8023.2022.085

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Second Harmonic Generation of Surface Plasmon Polaritons in a Plasmonic Waveguide

ZHANG Tongzhou, XU Yi, GAO Baowei, ZHANG Jiasen^†

Institute of Modern Optics, School of Physics, Peking University, Beijing 100871

Received:2021-12-02 Revised:2022-01-17 Online:2022-11-20 Published:2022-11-20
Contact: ZHANG Jiasen, E-mail: jszhang(at)pku.edu.cn

表面等离激元波导中表面等离激元二次谐波的产生机制

张同舟, 徐艺, 高宝伟, 张家森^†

北京大学物理学院现代光学研究所, 北京 100871

通讯作者: 张家森, E-mail: jszhang(at)pku.edu.cn
基金资助:
国家自然科学基金(91850104)资助

Abstract

Abstract:

Second harmonics generation in plasmon waveguides has been difficult due to the large phase mismatch, and waveguides designed to solve the problem are hard to fabricate and haven’t been experimentally realized. By combining monolayer molybdenum disulfide (MoS₂) and plane waveguide, we realized the plasmon-to-plasmon second harmonic generation in waveguide and studied the features of MoS₂-Ag structures in second harmonics generation, which paves the way to practical second harmonics generation in plasmon waveguides.

Key words: surface plasmon, nonlinear waveguide, light-matter interaction, second harmonic generation

摘要：

在表面等离激元波导的二次谐波产生过程中, 波导较大的色散导致的相位失配阻碍了其实际应用, 能够消除相位失配的波导尚未见实验报道。通过将单层二硫化钼与平面表面等离激元波导相结合, 在波导中实现从基频表面等离激元到倍频表面等离激元的转化, 并研究单层二硫化钼-银结构的二次谐波产生特性, 为表面等离激元波导中二次谐波产生的实际应用打下基础。

关键词: 表面等离激元, 非线性波导, 光与物质相互作用, 二次谐波产生

ZHANG Tongzhou, XU Yi, GAO Baowei, ZHANG Jiasen. Second Harmonic Generation of Surface Plasmon Polaritons in a Plasmonic Waveguide[J]. Acta Scientiarum Naturalium Universitatis Pekinensis, 2022, 58(6): 999-1006.

张同舟, 徐艺, 高宝伟, 张家森. 表面等离激元波导中表面等离激元二次谐波的产生机制[J]. 北京大学学报自然科学版, 2022, 58(6): 999-1006.

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URL: https://xbna.pku.edu.cn/EN/10.13209/j.0479-8023.2022.085

https://xbna.pku.edu.cn/EN/Y2022/V58/I6/999

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Second Harmonic Generation of Surface Plasmon Polaritons in a Plasmonic Waveguide

表面等离激元波导中表面等离激元二次谐波的产生机制

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