期刊
PHOTONICS AND NANOSTRUCTURES-FUNDAMENTALS AND APPLICATIONS
卷 10, 期 4, 页码 353-358出版社
ELSEVIER
DOI: 10.1016/j.photonics.2012.05.011
关键词
Nano-antenna; Graphene; Scattering; Terahertz radiation
资金
- FPU grant of the Spanish Ministry of Education
- European Science Foundation through an European Young Investigator Award
The scattering of terahertz radiation on a graphene-based nano-patch antenna is numerically analyzed. The extinction cross section of the nano-antenna supported by silicon and silicon dioxide substrates of different thickness are calculated. Scattering resonances in the terahertz band are identified as Fabry Perot resonances of surface plasmon polaritons supported by the graphene film. A strong tunability of the antenna resonances via electrostatic bias is numerically demonstrated, opening perspectives to design tunable graphene-based nano-antennas. These antennas are envisaged to enable wireless communications at the nanoscale. (C) 2012 Elsevier B.V. All rights reserved.
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