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Magnetoplasmonic Enhancement of Faraday Rotation in Patterned Graphene Metasurfaces (1711.06166v1)
Published 16 Nov 2017 in cond-mat.mes-hall
Abstract: Faraday rotation is a fundamental property present in all non-reciprocal optical elements. In the THz range, graphene displays strong Faraday rotation; unfortunately, it is limited to frequencies below the cyclotron resonance. Here we show experimentally that in specifically design metasurfaces, magneto-plasmons can be used to circumvent this limitation. We find excellent agreement between theory and experiment and provide new physical insights and predictions on these phenomena. Finally, we demonstrate strong tuneability in these metasurfaces using electric and magnetic field biasing.
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