Analysis of Terahertz Radiation Spectra in Multilayer GaAs/AlGaAs Heterostructures

被引：9

作者：

Volkov, O. Yu. ^{[1
]}

Dyuzhikov, I. N. ^{[1
]}

Logunov, M. V. ^{[1
]}

Nikitov, S. A. ^{[1
,2
]}

Pavlovskii, V. V. ^{[1
]}

Shchavruk, N. V. ^{[3
]}

Pavlov, A. Yu. ^{[3
]}

Khabibullin, R. A. ^{[3
]}

机构：

[1] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia

[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Moscow Oblast, Russia

[3] Russian Acad Sci, Inst Microwave Semicond Elect, Moscow 117105, Russia

来源：

JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS | 2018年 / 63卷 / 09期

关键词：

QUANTUM CASCADE LASER;

D O I：

10.1134/S1064226918090243

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：

The results of examination of the terahertz radiation spectra of multilayer GaAs/AlGaAs heterostructures synthesized on GaAs substrates are presented. The dependence of the radiation spectrum on the amplitude of the excitation current pulse and temperature dependences of the threshold lasing current and the radiation power of terahertz quantum cascade lasers with a double metallic waveguide, which were built on the basis of these structures, have been obtained. The maximum amplitude of the total radiation power is estimated at 28 mu W in the range 3.25-3.32 THz at a temperature of 15 K. The spectral radiation density of the oscillator is measured. Changes in the mode content of radiation induced by the bias-current variation have been observed.

引用

页码：1042 / 1046

页数：5

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