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Proceedings Paper

Graphene-based van der Waals heterostructures for emission and detection of terahertz radiation
Author(s): Taiichi Otsuji; Alexander Dubinov; Vladimir Ya Aleshkin; Dmitry Svintsov; Maxim Ryzhii; Stephane Boubanga Tombet; Deepika Yadav; Akira Satou; Vladimir Mitin; Michael S. Shur; Victor Ryzhii
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Paper Abstract

This paper reviews recent advances in the research of graphene-based van der Waals heterostructures for emission and detection of terahertz radiation. A gated double-graphene-layer (DGL) nanocapacitor is the core shell under consideration, in which a thin tunnel barrier layer is sandwiched by outer graphene layers at both sides. The DGL can support symmetric optical and anti-symmetric acoustic coupled plasmon modes in the GLs. The latter mode can modulate the band-offset between the GL, giving rise to modulation of the inter-GL-layer resonant tunneling. This can dramatically enhance the THz gain or responsivity via plasmon-assisted inter-GL resonant tunneling.

Paper Details

Date Published: 29 April 2016
PDF: 8 pages
Proc. SPIE 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense, 985603 (29 April 2016); doi: 10.1117/12.2225257
Show Author Affiliations
Taiichi Otsuji, Tohoku Univ. (Japan)
Alexander Dubinov, Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation)
Vladimir Ya Aleshkin, Lobachevsky State Univ. of Nizhny Novgorod (Russian Federation)
Dmitry Svintsov, Moscow Institute of Physics and Technology (Russian Federation)
Maxim Ryzhii, Univ. of Aizu (Japan)
Stephane Boubanga Tombet, Tohoku Univ. (Japan)
Deepika Yadav, Tohoku Univ. (Japan)
Akira Satou, Tohoku Univ. (Japan)
Vladimir Mitin, Univ. at Buffalo (United States)
Michael S. Shur, Rensselaer Polytechnic Institute (United States)
Victor Ryzhii, Tohoku Univ. (Japan)


Published in SPIE Proceedings Vol. 9856:
Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense
Mehdi F. Anwar; Thomas W. Crowe; Tariq Manzur, Editor(s)

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