Magneto-optic transmittance modulation observed in a hybrid graphene-split ring resonator terahertz metasurface

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Zanotto, S 
Lange, C 
Maag, T 
Pitanti, A 
Miseikis, V 

jats:pBy placing a material in close vicinity of a resonant optical element, its intrinsic optical response can be tuned, possibly to a wide extent. Here, we show that a graphene monolayer, spaced a few tenths of nanometers from a split ring resonator metasurface, exhibits a magneto-optical response which is strongly influenced by the presence of the metasurface itself. This hybrid system holds promises in view of thin optical modulators, polarization rotators, and nonreciprocal devices, in the technologically relevant terahertz spectral range. Moreover, it could be chosen as the playground for investigating the cavity electrodynamics of Dirac fermions in the quantum regime.</jats:p>

40 Engineering, 4009 Electronics, Sensors and Digital Hardware, 51 Physical Sciences, 5104 Condensed Matter Physics
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Applied Physics Letters
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AIP Publishing
European Commission (604391)
The work was supported in part by the European Union Graphene Flagship under grant agreement n° 604391.