Mode conversion in metal-insulator-metal waveguide with a shifted cavity

被引：8

作者：

Wang, Yueke ^{[1
,2
]}

Yan, Xin ^{[2
]}

机构：

[1] Jiangnan Univ, Opt Informat Sci & Technol Dept, Wuxi 214122, Jiangsu, Peoples R China

[2] Jiangnan Univ, Optoelect Engn & Technol Res Ctr, Wuxi 214122, Jiangsu, Peoples R China

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2018年 / 57卷 / 01期

基金：

中国国家自然科学基金;

关键词：

SURFACE-PLASMON POLARITONS; PROPAGATION; RESONATORS; CONVERTER;

D O I：

10.7567/JJAP.57.010303

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We propose a method, which is utilized to achieve the plasmonic mode conversion in metal-insulator-metal (MIM) waveguide, theoretically. Our proposed structure is composed of bus waveguides and a shifted cavity. The shifted cavity can choose out a plasmonic mode (a- or s-mode) when it is in Fabry-Perot (FP) resonance. The length of the shifted cavity L is carefully chosen, and our structure can achieve the mode conversion between a-and s-mode in the communication region. Besides, our proposed structure can also achieve plasmonic mode-division multiplexing. All the numerical simulations are carried on by the finite element method to verify our design. (C) 2018 The Japan Society of Applied Physics

引用

页数：4

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