Reconfigurable THz Plasmonic Antenna Concept Using a Graphene Stack
arXiv:1210.8057 · doi:10.1063/1.4767338
Abstract
The concept and analysis of a Terahertz (THz) frequency-reconfigurable antenna using graphene are presented. The antenna exploits dipole-like plasmonic resonances that can be frequency-tuned on large range via the electric field effect in a graphene stack. In addition to efficient dynamic control, the proposed approach allows high miniaturization and good direct matching with continuous wave THz sources. A qualitative model is used to explain the excellent impedance stability under reconfiguration. These initial results are very promising for future all-graphene THz transceivers and sensors. Keywords: Reconfigurable antenna, Graphene, Plasmons, Terahertz, frequency-tuning.
4 pages, 7 Figures, Equation (7) modified in version 2. Published in Applied Physics Letters
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