Refractive Index Sensor Based on Fano Resonances in Metal-Insulator-Metal Waveguides Coupled with Resonators

Tang, Yue‐Qin; Zhang, Zhidong; Wang, Ruibing; Hai, Zhenyin; Xue, Chenyang; Zhang, Wendong; Yan, Shubin

doi:10.3390/s17040784

Public

Refractive Index Sensor Based on Fano Resonances in Metal-Insulator-Metal Waveguides Coupled with Resonators

Published in Sensors • Apr 6, 2017

Authors:

Yue‐Qin Tang

Zhidong Zhang

Ruibing Wang

Abstract

A surface plasmon polariton refractive index sensor based on Fano resonances in metal-insulator-metal (MIM) waveguides coupled with rectangular and ring resonators is proposed and numerically investigated using a finite element method. Fano resonances are observed in the transmission spectra, which ...

Subject

Fano resonance

Resonator

Coupled mode theory

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