Circular dichroism from Fano resonances in planar chiral oligomers

Ben Hopkins, Alexander N. Poddubny, Andrey E. Miroshnichenko, Yuri S. Kivshar

    Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

    Abstract

    Here we present a general approach for describing the physics of Fano resonances in nanoparticle oligomers. It is shown that the interference of nonorthogonal collective eigenmodes is a sufficient condition to produce Fano resonances. We then show that such nonorthogonality between eigenmodes also permits the existence of a new form circular dichroism in the absorption and scattering cross-sections, even when circular dichroism is forbidden in the extinction cross-section.

    Original languageEnglish
    Title of host publicationMetamaterials X
    EditorsPeter Markos, Vladimir Kuzmiak, Tomasz Szoplik
    PublisherSPIE
    ISBN (Electronic)9781628416237
    DOIs
    Publication statusPublished - 2015
    Event10th SPIE Conference on Metamaterials - Prague, Czech Republic
    Duration: 15 Apr 201516 Apr 2015

    Publication series

    NameProceedings of SPIE - The International Society for Optical Engineering
    Volume9502
    ISSN (Print)0277-786X
    ISSN (Electronic)1996-756X

    Conference

    Conference10th SPIE Conference on Metamaterials
    Country/TerritoryCzech Republic
    CityPrague
    Period15/04/1516/04/15

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