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Plasmonic Terahertz Amplification in Graphene-Based Asymmetric Hyperbolic Metamaterial

1
School of Electrical Engineering, Aalto University, P.O. Box 13000, Aalto 00076, Finland
2
Yuri Gagarin State Technical University of Saratov, 77, Politekhnicheskaya, Saratov 410054, Russia
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Author to whom correspondence should be addressed.
Photonics 2015, 2(2), 594-603; https://doi.org/10.3390/photonics2020594
Received: 21 April 2015 / Accepted: 18 May 2015 / Published: 27 May 2015
(This article belongs to the Special Issue New Frontiers in Plasmonics and Metamaterials)
We propose and theoretically explore terahertz amplification, based on stimulated generation of plasmons in graphene asymmetric hyperbolic metamaterials (AHMM), strongly coupled to terahertz radiation. In contrast to the terahertz amplification in resonant nanocavities, AHMM provides a wide-band THz amplification without any reflection in optically thin graphene multilayers. View Full-Text
Keywords: terahertz amplification; graphene multilayer; asymmetric hyperbolic metamaterials terahertz amplification; graphene multilayer; asymmetric hyperbolic metamaterials
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Nefedov, I.; Melnikov, L. Plasmonic Terahertz Amplification in Graphene-Based Asymmetric Hyperbolic Metamaterial. Photonics 2015, 2, 594-603.

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