Graphene plasmonic heterostructures for new types of terahertz lasers

Taiichi Otsuji; Victor Ryzhii; Stephane Albon Boubanga Tombet; Takayuki Watanabe; Akira Satou; Maxim Ryzhii; Alexander Dubinov; Vladimir Ya. Aleshkin; Vyacheslav Popov; Vladimir Mitin; Michael Shur

doi:10.1117/12.2061510

5 September 2014 Graphene plasmonic heterostructures for new types of terahertz lasers

Taiichi Otsuji, Victor Ryzhii, Stephane Albon Boubanga Tombet, Takayuki Watanabe, Akira Satou, Maxim Ryzhii, Alexander Dubinov, Vladimir Ya. Aleshkin, Vyacheslav Popov, Vladimir Mitin, Michael Shur

Author Affiliations +

Proceedings Volume 9199, Terahertz Emitters, Receivers, and Applications V; 91990F (2014) https://doi.org/10.1117/12.2061510
Event: SPIE Optical Engineering + Applications, 2014, San Diego, California, United States

Abstract

This paper reviews recent advances in graphene plasmonic heterostructures for new types of terahertz lasers. We theoretically discovered and experimentally manifested that the excitation of surface plasmons in population-inverted graphene by the terahertz photons results in propagating surface plasmon polaritons with a giant gain in a wide terahertz range. Furthermore, double graphene layer heterostructures consisting of a tunnel barrier insulator sandwiched with a pair of gated graphene monolayers are introduced. Photoemission-assisted quantum-mechanical resonant tunneling can be electrically tuned to meet a desired photon energy for lasing, resulting in enormous enhancement of the terahertz gain. Current injection structures are also addressed.

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Taiichi Otsuji, Victor Ryzhii, Stephane Albon Boubanga Tombet, Takayuki Watanabe, Akira Satou, Maxim Ryzhii, Alexander Dubinov, Vladimir Ya. Aleshkin, Vyacheslav Popov, Vladimir Mitin, and Michael Shur "Graphene plasmonic heterostructures for new types of terahertz lasers", Proc. SPIE 9199, Terahertz Emitters, Receivers, and Applications V, 91990F (5 September 2014); https://doi.org/10.1117/12.2061510

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