Semi-analytical model for the analysis of a magnetically biased 1D subwavelength graphene-strip-grating

We propose a simple semi analytical model that allows to compute the transmittance and reflectance of a one dimensional subwavelength graphene strip grating under an external static magnetic field. In this model graphene is treated as an anisotropic layer with atomic thickness and a frequency depend...

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Bibliographic Details
Published in:Optics continuum 2022-05, Vol.1 (5)
Main Authors: Ben Rhouma, Maha, Guizal, Brahim, Bonnet, Pierre, Paladian, Françoise, Edee, Kofi Sényo
Format: Article
Language:English
Subjects:
Engineering Sciences
Online Access:Get full text
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Summary:We propose a simple semi analytical model that allows to compute the transmittance and reflectance of a one dimensional subwavelength graphene strip grating under an external static magnetic field. In this model graphene is treated as an anisotropic layer with atomic thickness and a frequency dependent complex permittivity tensor. The model is based on an effective medium approach (EMA) and a rigorous phase correction. The scattering matrix approach is also used to take into account the different resonant phenomena occurring in the structure. The approach is validated against the Polynomial Modal Method (PMM) through numerical examples.
ISSN:2770-0208
2770-0208
DOI:10.1364/OPTCON.446632