Study of slot cavity surface plasmonic filter characteristics

Shang Kefeng

doi:10.13756/j.gtxyj.2012.05.003

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Study of slot cavity surface plasmonic filter characteristics

- Study of slot cavity surface plasmonic filter characteristics
- Study on Optical communication Issue 5, Pages: 50-51(2012)
- 作者机构：
  
  西南交通大学信息科学与技术学院信息光子与通信研究中心
- 作者简介：
- 基金信息：
- DOI：10.13756/j.gtxyj.2012.05.003
  CLC： TN713
- Published：2012，
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[1]商科峰.槽型腔表面等离子体滤波器特性研究[J].光通信研究,2012(05):50-51+67.

Shang Kefeng. Study of slot cavity surface plasmonic filter characteristics. [J]. (5):50-51(2012)
[1]商科峰.槽型腔表面等离子体滤波器特性研究[J].光通信研究,2012(05):50-51+67. DOI： 10.13756/j.gtxyj.2012.05.003.

Shang Kefeng. Study of slot cavity surface plasmonic filter characteristics. [J]. (5):50-51(2012) DOI： 10.13756/j.gtxyj.2012.05.003.

摘要

为了降低槽型腔滤波器透射频谱的FWHM（半高全宽）

采用FDTD（时域有限差分法）对基于MIM（金属-介质-金属）波导的单槽型腔滤波器和级联槽型腔滤波器结构进行了数值模拟

并用耦合模理论对其透射频谱进行了分析。仿真结果表明

级联槽型腔滤波器能够有效抑制透射频谱的FWHM

其透射频谱的FWHM仅为单槽型腔结构的30%～40%。

Abstract

In order to reduce the Full Width at Half Maximum（FWHM） of slot-type cavity filters

we numerically simulate the structures of the Metal-Insulator-Metal（MIM） waveguide-based single slot-and cascaded slot-type cavity filters by using the Finite-Difference Time-Domain（FDTD） method and analyze their transmission spectra by using the coupled mode theory.The simulation results show that the FWHM of the transmission spectrum of the cascaded slot-type cavity filters can be effectively suppressed to be only about 30%

0% of that of the single slot-type cavity filters.

关键词

表面等离子体激元耦合谐振波长滤波集成光学

Keywords

SPPscoupled resonancewavelength filteringintegrated optics

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