Graphene active plasmonics and their applications to terahertz lasers and sensors

Taiichi Otsuji; Akira Satou; Takayuki Watanabe; Alexander Dubinov; Vyacheslav Popov; Stephane Albon Boubanga Tombet; Vladimir Mitin; Victor Ryzhii

doi:10.1117/12.2042328

31 January 2014 Graphene active plasmonics and their applications to terahertz lasers and sensors

Taiichi Otsuji, Akira Satou, Takayuki Watanabe, Alexander Dubinov, Vyacheslav Popov, Stephane Albon Boubanga Tombet, Vladimir Mitin, Victor Ryzhii

Author Affiliations +

Proceedings Volume 8993, Quantum Sensing and Nanophotonic Devices XI; 899327 (2014) https://doi.org/10.1117/12.2042328
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

This paper reviews recent advances in graphene active plasmonics and their applications to terahertz lasers and sensors. We theoretically discovered and experimentally manifested that when the carrier population in graphene is inverted the excitation of graphene plasmons results in propagating surface plasmon polaritons with giant gain in a wide THz range. Furthermore, when graphene is patterned in a microribbon array by grating gate metallization, the structure provides super-radiant plasmonic lasing with giant gain as well as ultrahigh sensitive detection at the plasmon modes in a wide THz frequency range.

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Taiichi Otsuji, Akira Satou, Takayuki Watanabe, Alexander Dubinov, Vyacheslav Popov, Stephane Albon Boubanga Tombet, Vladimir Mitin, and Victor Ryzhii "Graphene active plasmonics and their applications to terahertz lasers and sensors", Proc. SPIE 8993, Quantum Sensing and Nanophotonic Devices XI, 899327 (31 January 2014); https://doi.org/10.1117/12.2042328

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