Room-Temperature Amplification of Terahertz Radiation by Grating-Gate Graphene Structures

S. Boubanga Tombet,Wojciech Knap,Deepika Yadav,A. Satou,Dmytro B. But,Vyacheslav V. Popov,Ilya V. Gorbenko,V. Kachorovskii,Taiichi Otsuji

Room-Temperature Amplification of Terahertz Radiation by Grating-Gate Graphene Structures

2020

S. Boubanga Tombet
Wojciech Knap
Deepika Yadav
A. Satou
Dmytro B. But
Vyacheslav V. Popov
Ilya V. Gorbenko
V. Kachorovskii
Taiichi Otsuji

Paving the way for new tunable plasmonic THz amplifiers, experiments show the first observation of energy transfer from dc current to plasmons, leading to THz amplification.

Keywords:

Optoelectronics
Energy transfer
Plasmon
dc current
Grating
Terahertz radiation
Amplifier
Materials science
Graphene

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