Scattering of the terahertz radiation on a graphene‐based nano‐antenna is considered. Different electromagnetic models of graphene are discussed and applied to calculate extinction, scattering and absorption cross sections of the nano‐antenna. Scattering resonances in the terahertz band are identified as longitudinal Fabry‐Perot resonances of surface plasmon polaritons supported by the graphene layer. A simple while powerful model, based on the effective mode index of plasmon polaritons, is proposed to predict the antenna resonant properties. A systematic numerical study of the graphene‐based nano‐antenna is presented for different antenna dimensions. Finally, the potential of graphene‐based nano‐antennas for terahertz applications is discussed.
Scattering of terahertz radiation on a graphene‐based nano‐antenna
THE FOURTH INTERNATIONAL WORKSHOP ON THEORETICAL AND COMPUTATIONAL NANOPHOTONICS: TaCoNa‐Photonics 2011 ; 2011 ; Bad Honnef, (Germany)
AIP Conference Proceedings ; 1398 , 1 ; 144-146
2011-10-03
3 pages
Conference paper
Electronic Resource
English
Scattering of terahertz radiation on a graphene-based nano-antenna
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