All optical nanostructed sensor based on metal-dielectric-metal plasmonic waveguide

Yongkang Gong*, N. J. Copner, Antony Davies, Kang Li, Jungang Huang

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Proceeding (Non-Journal item)

Abstract

Based on a two-dimensional plasmonic metal-dielectric-metal waveguide with a thin metallic layer and dual nanocavites inserted in the core, a novel nanostructured absorber is presented. A transfer matrix model for the proposed structure is established, and the optical spectra are investigated. Design results show that a narrow reflection spectrum occurs at position of the near-unity absorption, and is significantly influenced by the environment. It is able to generate a sensitivity as high as 1000 nm/RIU, which be used as an excellent sensing platform for chemical and biochemically relevant molecules.

Original languageEnglish
Title of host publication2012 Symposium on Photonics and Optoelectronics, SOPO 2012
DOIs
Publication statusPublished - 2012
Externally publishedYes
Event2012 International Symposium on Photonics and Optoelectronics, SOPO 2012 - Shanghai, China
Duration: 21 May 201223 May 2012

Publication series

Name2012 Symposium on Photonics and Optoelectronics, SOPO 2012

Conference

Conference2012 International Symposium on Photonics and Optoelectronics, SOPO 2012
Country/TerritoryChina
CityShanghai
Period21 May 201223 May 2012

Keywords

  • all optical
  • nanostructure
  • plasmonics
  • sensor

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