Interaction of single-layer CVD graphene with a metasurface of terahertz split-ring resonators
Abstract
The interaction of large-area single-layer CVD-graphene with a metasurface constituted by THz split-ring resonators was studied via THz Time-Domain Spectroscopy in the frequency range 250 GHz÷2.75 THz. Transmission measurements showed that the presence of the graphene shifts the resonances of the THz-metasurface towards lower energies and increases the transmittance, mainly at resonance. A comparison between two possible configuration is here presented revealing a much stronger interaction for the case of split-ring resonators evaporated directly onto the CVD-graphene layer with respect to the opposite configuration. From the recent literature the presented system is a good candidate for THz modulators with possible use also in cavity-QED experiments. Show more
Publication status
publishedExternal links
Book title
Ultrafast Phenomena and Nanophotonics XVIIJournal / series
Proceedings of SPIEVolume
Pages / Article No.
Publisher
SPIEEvent
Subject
TeraHertz; CVD graphene; Split-ring resonator; Metamaterial; TDSOrganisational unit
03759 - Faist, Jérôme / Faist, Jérôme
03843 - Park, Hyung Gyu (ehemalig) / Park, Hyung Gyu (former)
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ETH Bibliography
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