Abstract
This work presents an approach to distinguish the thermoelectric detection mechanism from the resistive mixing or plasma wave rectification in graphene FET THz detectors. Numerical full-wave simulations validate the asymmetric feeding of the existing antenna design and allow for comparison with a reference design of thermoelectric detectors. The experimental results verify quantitively the thermoelectric contribution to the overall rectification, which allows for more accurate modelling of the GFET THz detectors.
| Original language | English |
|---|---|
| Title of host publication | 45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020 |
| Publisher | IEEE Institute of Electrical and Electronic Engineers |
| Pages | 504-505 |
| Number of pages | 2 |
| ISBN (Electronic) | 978-1-72816-620-9 |
| DOIs | |
| Publication status | Published - 8 Nov 2020 |
| MoE publication type | A4 Article in a conference publication |
| Event | 45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020: Online - Virtual, Buffalo, United States Duration: 8 Nov 2020 → 13 Nov 2020 |
Publication series
| Series | International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz |
|---|---|
| Volume | 2020-November |
| ISSN | 2162-2027 |
Conference
| Conference | 45th International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz 2020 |
|---|---|
| Country/Territory | United States |
| City | Buffalo |
| Period | 8/11/20 → 13/11/20 |
Funding
ACKNOWLEDGEMENTS Authors acknowledge funding from the Academy of Finland (grant nos. 325810 and 314809), financial support by DFG under contract RO 770/40-1, and the provision of facilities from Micronova Nanofabrication Centre.
Keywords
- Sensitivity
- Graphene
- Field effect transistors
- Detectors
- Numerical models
- Thermoelectricity
- Plasma waves
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