Title :
Amplification of terahertz radiation by plasmons in graphene with a planar Bragg grating
Author :
Polischuk, Olga V. ; Popov, V.V. ; Nikitov, S.A. ; Ryzhii, Victor ; Otsuji, Taiichi ; Shur, Michael S.
Author_Institution :
Saratov Branch, Kotelnikov Inst. of Radio Eng. & Electron., Saratov, Russia
Abstract :
The giant amplification of terahertz radiation due to stimulated generation of plasmons in graphene with a planar Bragg grating strongly coupled to terahertz radiation is predicted. The amplification of terahertz wave at the plasmon resonance frequencies is several orders of magnitude stronger than away from the resonances. It is shown that the dynamic and frequency ranges of terahertz graphene amplifier can be strongly enhanced in the structure with a narrow-slit Bragg grating and/or thin barrier layer.
Keywords :
Bragg gratings; graphene; microwave photonics; nanophotonics; plasmons; terahertz wave devices; C; graphene; narrow-slit Bragg grating; planar Bragg grating; plasmon resonance; stimulated plasmon generation; terahertz graphene amplifier; terahertz radiation; terahertz radiation amplification; thin barrier layer; Bragg gratings; Graphene; Lasers; Plasmons; Resonant frequency; Sociology; Stimulated emission;
Conference_Titel :
Advanced Optoelectronics and Lasers (CAOL), 2013 International Conference on
Conference_Location :
Sudak
Print_ISBN :
978-1-4799-0016-9
DOI :
10.1109/CAOL.2013.6657574
