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2 Opto-Electronics Review

2 2019

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Terahertz plasmon-emitting graphene-channel transistor

Dubinov Alexander A., Aleshkin Vladimir Ya, Morozov Sergey V., Ryzhii Victor, Otsuji Taiichi

Opto-Electronics Review

2019

Vol. 27, No. 4

345--347

In this work we propose and analyze the possibility of creating terahertz plasmon-emitting graphene-channel transistor. It is shown that at electric pumping the damping of the terahertz plasmons can give way to their amplification, when the real part of the dynamic conductivity of graphene becomes negative in the terahertz range of frequencies due to the interband population inversion.

Concepts of infrared and terahertz photodetectors based on vertical graphene van der Waals and HgTe-CdHgTe heterostructures

Ryzhii Maxim, Otsuji Taiichi, Ryzhii Victor, Aleshkin Vladimir, Dubinov Alexander, Karasik V. E., Leiman V., Mitin V., Shur M. S.

Opto-Electronics Review

2019

Vol. 27, No. 2

219--223

We review recently proposed concepts of infrared and terahertz photodetectors based on graphene van der Waals heterostructures and HgTe-CdHgTe quantum well heterostructures and demonstrate their potential.