One-dimensional photonic crystal for polarization-sensitive surface-enhanced spectroscopy

Erika Mogni (Speaker), Giovanni Pellegrini, Jorge Gil-Rostra, Francisco Yubero, Guiseppina Simone, Stefan Fossati, Jakub Dostalek, Rebeca Martinez-Vazquez, Roberto Osellame, Michele Celebrano, Marco Finazzi, Paolo Biagioni

    Research output: Chapter in Book or Conference ProceedingsConference Proceedings with Oral Presentationpeer-review

    Abstract

    We realize and experimentally characterize a novel platform for surface-enhanced sensing through Bloch Surface Waves (BSWs). We test a one-dimensional photonic crystal, with a high index inclusion in the top layer, that sustains surfaces modes with, in principle, arbitrary polarization. This is achieved through the coherent superposition of TE and TM dispersion relations of BSWs, which can also provide superchiral fields over a wide spectral range (down to the UV). The resulting platform paves the way to the implementation of polarization-resolved surface-enhanced techniques.
    Original languageEnglish
    Title of host publicationEPJ Web of Conferences
    Number of pages1
    DOIs
    Publication statusPublished - 2022
    EventEOS Annual Meeting (EOSAM 2022) -
    Duration: 12 Sept 202216 Sept 2022

    Conference

    ConferenceEOS Annual Meeting (EOSAM 2022)
    Period12/09/2216/09/22

    Research Field

    • Biosensor Technologies

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