Towards a terahertz direct receiver based on graphene up to 10 THz

被引:28
作者
Dragoman, Mircea [1 ]
Aldrigo, Martino [2 ]
Dinescu, Adrian [1 ]
Dragoman, Daniela [3 ]
Costanzo, Alessandra [2 ]
机构
[1] Natl Inst Res & Dev Microtechnol IMT, Bucharest 023573, Romania
[2] Univ Bologna, Dept Elect Elect & Informat Engn Guglielmo Marcon, I-40132 Bologna, Italy
[3] Univ Bucharest, Dept Phys, Bucharest 077125, Romania
关键词
D O I
10.1063/1.4863305
中图分类号
O59 [应用物理学];
学科分类号
摘要
We present a study for a THz receiver based on graphene. First, the dipole and the bowtie THz antennas on graphene are designed, and followed by the on-wafer fabrication of a graphene diode matched to the antenna. Finally the responsivity of the receiver up to 10 THz is computed. Our results show that the antenna and the diode behaviors exhibit new properties (e. g., the antennas are acting as high reactive impedance surfaces, the diode is rectifying only due to its geometrical shape). These new properties are due to the physical properties of graphene having the carrier transport described by Dirac equation. (C) 2014 AIP Publishing LLC.
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页数:7
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