Design of a high-performance metal-insulator-metal plasmonic demultiplexer

被引：30

作者：

Azar, Milad Taleb Hesami ^{[1
]}

Zavvari, Mahdi ^{[2
]}

Arashmehr, Armin ^{[2
]}

Zehforoosh, Yashar ^{[2
]}

Mohammadi, Pejman ^{[2
]}

机构：

[1] Islamic Azad Univ, Young Researchers & Elite Club, Urmia Branch, Orumiyeh, Iran

[2] Islamic Azad Univ, Urmia Branch, Dept Elect Engn, Orumiyeh, Iran

来源：

JOURNAL OF NANOPHOTONICS | 2017年 / 11卷 / 02期

关键词：

plasmonic; demultiplexer; MIM structure; resonant cavity; multichannel; FILTERS; COMPACT; RESONATORS;

D O I：

10.1117/1.JNP.11.026002

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We propose a four-channel plasmonic demultiplexer based on gold-air-gold structure. To do so, an add-drop filter is first proposed consisting of an H-shaped resonant cavity, which is designed to drop a distinct wavelength to other waveguides. Since the selected wavelength depends on the structural parameters of the resonant cavity, two-and four-channel demultiplexers are presented by adding H-shape cavities with different sizes. The results of numerical simulations show that for the total structure, spacing about 50 nm and an average transmission more than 95% for channels are obtained. The proposed device exhibits high-transmission efficiency along with the low channel spacing. The average calculated cross talk is calculated about -18.6 dB. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)

引用

页数：8

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