Optimization of THz graphene FET detector integrated with a bowtie antenna
Paper in proceedings, 2016

This paper discusses the integration of the split bowtie antenna with a graphene FET THz detector to maximize the detector efficiency at 1 THz. The detector utilizes the principle of distributed resistive self-mixing in GFET, and the split bowtie antenna provides an asymmetric feed to the GFET. The antenna is placed on a substrate lens to improve the directivity and can be used to create an imaging array. The dimensions of the split bowtie antenna are optimized for the best impedance matching with the GFET and to improve the pixel density of the array. The off-axis pixel performance is improved by modifying the edge-pixel antennas. The improvement in directivity of corresponding pixels is up to 1.3 dB.

graphene

bowtie

GFET

Author

Andrey Generalov

Chalmers, Microtechnology and Nanoscience (MC2), Terahertz and Millimetre Wave Laboratory

MICHAEL ANDERSSON

Chalmers, Microtechnology and Nanoscience (MC2), Terahertz and Millimetre Wave Laboratory

Xinxin Yang

Chalmers, Microtechnology and Nanoscience (MC2), Terahertz and Millimetre Wave Laboratory

Jan Stake

Chalmers, Microtechnology and Nanoscience (MC2), Terahertz and Millimetre Wave Laboratory

European Conference on Antennas and Propagation

2164-3342 (ISSN)

Areas of Advance

Information and Communication Technology

Nanoscience and Nanotechnology (2010-2017)

Infrastructure

Kollberg Laboratory

Nanofabrication Laboratory

Subject Categories

Other Electrical Engineering, Electronic Engineering, Information Engineering

DOI

10.1109/EuCAP.2016.7481475

ISBN

978-8-8907-0186-3

More information

Created

10/8/2017