Multimode interference demultiplexers and splitters in metal-insulator-metal waveguides

被引:50
|
作者
Kou, Yao [1 ]
Chen, Xianfeng [1 ]
机构
[1] Shanghai Jiao Tong Univ, Dept Phys, State Key Lab Fiber Opt Local Area Commun Network, Shanghai 200240, Peoples R China
来源
OPTICS EXPRESS | 2011年 / 19卷 / 07期
基金
中国国家自然科学基金;
关键词
MODES; COUPLERS;
D O I
10.1364/OE.19.006042
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
Multimode interference (MMI) effect in metal-insulator-metal (MIM) waveguides is studied in this paper. Theoretical calculation based on the self-imaging principle and the finite element method (FEM) simulation are used to analyze the effect and further guide the design of plasmonic MMI devices. We show that wavelength-selective routing and splitting with high extinction ratios can be realized in the multimode waveguides, and active control by refractive index modulation is also demonstrated. (C) 2011 Optical Society of America
引用
收藏
页码:6042 / 6047
页数:6
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