Journal
APPLIED PHYSICS LETTERS
Volume 103, Issue 21, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4831682
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Funding
- EC under Graphene Flagship [CNECT-ICT-604391]
- Italian Ministry of Education, University
- Research (MIUR) through the program FIRB-Futuro in Ricerca 2010 [RBFR10M5BT]
- FRONTERA [RBFR10LULP]
- Italian Ministry of Economic Development through the ICE-CRUI project TERAGRAPH
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Graphene is a promising candidate for the development of detectors of Terahertz (THz) radiation. A well-known detection scheme due to Dyakonov and Shur exploits plasma waves in a field-effect transistor (FET), whereby a dc photovoltage is generated in response to a THz field. In the quest for devices with a better signal-to-noise ratio, we theoretically investigate a plasma-wave photodetector in which a dc photocurrent is generated in a graphene FET. The noise equivalent power of our device is shown to be much smaller than that of a Dyakonov-Shur detector in a wide spectral range. (C) 2013 AIP Publishing LLC.
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