金属-绝缘体-金属波导中的多模干涉解复用器和分路器

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

作者信息

Kou Yao, Chen Xianfeng

机构信息

Department of Physics, The State Key Laboratory on Fiber Optic Local Area Communication Networks and Advanced Optical Communication Systems, Shanghai Jiao Tong University, Shanghai, China.

出版信息

Opt Express. 2011 Mar 28;19(7):6042-7. doi: 10.1364/OE.19.006042.

DOI:10.1364/OE.19.006042

PMID:21451628

Abstract

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.

摘要

本文研究了金属-绝缘体-金属（MIM）波导中的多模干涉（MMI）效应。基于自成像原理的理论计算和有限元方法（FEM）模拟被用于分析该效应，并进一步指导表面等离子体激元多模干涉器件的设计。我们表明，在多模波导中可以实现具有高消光比的波长选择性路由和分光，并且还展示了通过折射率调制进行的主动控制。