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 contributionpeer-review

    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 - 22 Oct 2012
    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
    Period21/05/1223/05/12

    Keywords

    • all optical
    • nanostructure
    • plasmonics
    • sensor

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