Towards reflection-less or total reflection magnet-less nonreciprocal metasurface

A magnet-less nonreciprocal metasurface (MNMs) exhibiting enhanced transmission is presented. The metasurface is constituted of a 2D periodic array of a stacked annular pair of slots loaded with semiconductor-based unidirectional components sandwiching a dielectric slab spacer. The reflection and tr...

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Bibliographic Details
Main Authors: Gurlek, Burak, Caloz, Christophe
Format: Conference Proceeding
Language:English
Subjects:
Dielectrics
Impedance
magnet-less gyrotropy
Magnetic materials
Magnetic moments
metamaterial
Metamaterials
metasurface
nonreciprocal components
Surface impedance
Transmission line matrix methods
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Summary:A magnet-less nonreciprocal metasurface (MNMs) exhibiting enhanced transmission is presented. The metasurface is constituted of a 2D periodic array of a stacked annular pair of slots loaded with semiconductor-based unidirectional components sandwiching a dielectric slab spacer. The reflection and transmission dyadics of the metamaterial structure are computed using transmission line modeling with single-layer annular slot impedance dyadic. A parametric study is conducted in terms of the spacer permittivity and thickness to achieve enhanced transmission. Possibility of designing total transmission or total reflection magnet-less nonreciprocal metasurfaces is discussed.
ISSN:2164-3342