Plasmonic refractive index sensor based on metal-insulator-metal waveguides with high sensitivity

被引：109
作者：
Butt, M. A. [1 ,2 ]
Khonina, S. N. [1 ,3 ]
Kazanskiy, N. L. [1 ,3 ]
机构：
[1] Samara Natl Res Univ, Dept Tech Cybernet, Samara, Russia
[2] Nicolaus Copernicus Univ, Fac Phys Astron & Informat, Inst Phys, Grudziadzka 5, PL-87100 Torun, Poland
[3] RAS, FSRC Crystallog & Photon, Inst RAS Branch, Samara, Russia
来源：
JOURNAL OF MODERN OPTICS | 2019年 / 66卷 / 09期
基金：
俄罗斯基础研究基金会;
关键词：
Metal-insulator-metal waveguide; finite element method; refractive index sensor; square ring resonator;
D O I：
10.1080/09500340.2019.1601272
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A plasmonic square ring resonator sensor design based on metal-insulator-metal waveguide is proposed. The transmission spectra and electric field distribution of the resonator are simulated using the finite element method (FEM). The numerical simulation results achieved from the transmission spectra are used to investigate the sensing characteristics of the structure. The effect of structural parameters on the spectral characteristics and sensing performance are investigated in detail. The sensitivity is obtained to a value as high as 1367 nm/RIU with a figure of merit of similar to 25. The suggested design can possibly be applied in optical network-on-chip and on-chip nanosensors.
引用
收藏
页码：1038 / 1043
页数：6
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