Tunable multi-channel wavelength demultiplexer based on MIM plasmonic nanodisk resonators at telecommunication regime

被引：230
|
作者：
Wang, Guoxi [1 ]
Lu, Hua [1 ]
Liu, Xueming [1 ]
Mao, Dong [1 ]
Duan, Lina [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Transient Opt & Photon, Xian Inst Opt & Precis Mech, Xian 710119, Peoples R China
来源：
OPTICS EXPRESS | 2011年 / 19卷 / 04期
基金：
中国国家自然科学基金;
关键词：
WAVE-GUIDE FILTERS; METAL; POLARITONS; LIGHT;
D O I：
10.1364/OE.19.003513
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The tunable multi-channel wavelength demultiplexer (WDM) based on metal-insulator-metal plasmonic nanodisk resonators is designed and numerically investigated by utilizing Finite-Difference Time-Domain (FDTD) simulations. It is found that the channel wavelength of WDM is easily tuned by changing the geometrical parameters of the structure and the material filled in the nanodisk resonator. The multi-channel WDM structure consisting of a plasmonic waveguide and several nanodisk resonators increases the transmission up to 70% at telecommunication regime, which is two times higher than the results reported in a recent literature [Opt. Express 18, 11111 (2010)]. Our WDM can find important potential applications in highly integrated optical circuits. (C) 2011 Optical Society of America
引用
收藏
页码：3513 / 3518
页数：6
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