Plasmon Excitation and Plasmonic Detection of Terahertz Radiation in the Grating-Gate Field-Effect-Transistor Structures

被引:67
|
作者
Popov, Viacheslav V. [1 ,2 ]
机构
[1] RAS, Kotelnikov Inst Radio Engn & Elect, Saratov Branch, Saratov 410019, Russia
[2] Saratov NG Chernyshevskii State Univ, Saratov 410012, Russia
基金
俄罗斯基础研究基金会;
关键词
Two-dimensional electron gas; Plasmons; Terahertz radiation; Detection; Field-effect transistor; Gratings; MODES;
D O I
10.1007/s10762-011-9813-6
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Physics of plasma oscillations and basic principles of plasmonic detection of terahertz radiation in the grating-gate transistor structures with two-dimensional electron channels are considered. It is shown that the grating-gate-transistor plasmonic detectors can be efficiently coupled to terahertz radiation. Plasmonic detection response considerably increases if the electron density in the grating-gate transistor structure is spatially modulated.
引用
收藏
页码:1178 / 1191
页数:14
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