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5 March 2021 High-speed hBN/graphene/hBN room-temperature terahertz nano-receivers
Leonardo Viti, Alisson R. Cadore, David G. Purdie, Jakob E. Muench, Xinxin Yang, Kenji Watanabe, Takashi Taniguchi, Andrei Vorobiev, Jan Stake, Antonio Lombardo, Andrea C. Ferrari, Miriam S. Vitiello
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Proceedings Volume 11685, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV; 116851E (2021) https://doi.org/10.1117/12.2578748
Event: SPIE OPTO, 2021, Online Only
Abstract
We report room temperature terahertz detection in hBN/graphene/hBN heterostructures. The obtained record combination of high-speed (response time < 1 ns) and high sensitivity (noise equivalent power ~ 100 pWHz-1/2) is enabled by the photo-thermoelectric effect.
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Leonardo Viti, Alisson R. Cadore, David G. Purdie, Jakob E. Muench, Xinxin Yang, Kenji Watanabe, Takashi Taniguchi, Andrei Vorobiev, Jan Stake, Antonio Lombardo, Andrea C. Ferrari, and Miriam S. Vitiello "High-speed hBN/graphene/hBN room-temperature terahertz nano-receivers", Proc. SPIE 11685, Terahertz, RF, Millimeter, and Submillimeter-Wave Technology and Applications XIV, 116851E (5 March 2021); https://doi.org/10.1117/12.2578748
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KEYWORDS
Terahertz radiation
Antennas
Picosecond phenomena
Signal detection
Ultrafast phenomena
Quantum cascade lasers
Quantum well infrared photodetectors
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