Method of lines for the analysis of tunable plasmonic devices composed of graphene-dielectric stack arrays

Mehri Ziaee Bideskan, Keyvan Forooraghi, Zahra Atlasbaf, Ali Mehrdadian, Andrei V. Lavrinenko

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    Abstract

    Due to the increasing interest in emerging applications of graphene or other 2D material-based devices in photonics, a powerful, fast and accurate tool for the analysis of such structures is really in need. In this paper, the semi-analytical method of lines (MoL) is generalized for the diffraction analysis of tunable graphene-based plasmonic devices possessing three dimensional periodicity. We employ Floquet's theorem to handle analytically propagation of waves in the periodicity of the graphene-dielectric arrays in the direction of the layers stacking. This makes the method very effective in terms of computational time and memory consumption. To validate its efficiency and accuracy, the method is applied to plasmonic devices formed by alternating patterned graphene sheets and dielectric layers. Direct comparison with results available in literature and those obtained by a commercial software exhibits their full consistency.

    Original languageEnglish
    JournalOptics Express
    Volume29
    Issue number18
    Pages (from-to)28787-28804
    ISSN1094-4087
    DOIs
    Publication statusPublished - 30 Aug 2021

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    Publisher Copyright:
    © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

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