Magneto-optic transmittance modulation observed in a hybrid graphene – split ring resonator terahertz metasurface
Applied Physics Letters
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Zanotto, S., Lange, C., Maag, T., Pitanti, A., Miseikis, V., Coletti, C., Degl'Innocenti, R., et al. (2015). Magneto-optic transmittance modulation observed in a hybrid graphene – split ring resonator terahertz metasurface. Applied Physics Letters, 107 (121104)https://doi.org/10.1063/1.4931704
By 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.
The work was supported in part by the European Union Graphene Flagship under grant agreement n° 604391.
EC FP7 FET FLAGSHIP (604391)
External DOI: https://doi.org/10.1063/1.4931704
This record's URL: https://www.repository.cam.ac.uk/handle/1810/250593
Attribution-NonCommercial 2.0 UK: England & Wales
Licence URL: http://creativecommons.org/licenses/by-nc/2.0/uk/
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