Graphene-based van der Waals heterostructures for emission and detection of terahertz radiation

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

doi:10.1117/12.2225257

29 April 2016 Graphene-based van der Waals heterostructures for emission and detection of terahertz radiation

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

Author Affiliations +

Proceedings Volume 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense; 985603 (2016) https://doi.org/10.1117/12.2225257
Event: SPIE Commercial + Scientific Sensing and Imaging, 2016, Baltimore, MD, United States

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.

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Taiichi Otsuji, Alexander Dubinov, Vladimir Ya Aleshkin, Dmitry Svintsov, Maxim Ryzhii, Stephane Boubanga Tombet, Deepika Yadav, Akira Satou, Vladimir Mitin, Michael S. Shur, and Victor Ryzhii "Graphene-based van der Waals heterostructures for emission and detection of terahertz radiation", Proc. SPIE 9856, Terahertz Physics, Devices, and Systems X: Advanced Applications in Industry and Defense, 985603 (29 April 2016); https://doi.org/10.1117/12.2225257

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KEYWORDS

Terahertz radiation

Plasmons

Graphene

Electrons

Heterojunctions

Acoustics

Millimeter wave sensors

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