High performance 4.7 THz GaAs quantum cascade lasers based on four quantum wells

被引：21

作者：

Ohtani, Keita ^{[1
]}

Turcinkova, Dana ^{[1
]}

Bonzon, Christopher ^{[1
]}

Benea-Chelmus, Ileana-Cristina ^{[1
]}

Beck, Mattias ^{[1
]}

Faist, Jerome ^{[1
]}

Justen, Matthias ^{[2
]}

Graf, Urs U. ^{[2
]}

Mertens, Marc ^{[2
]}

Stutzki, Juergen ^{[2
]}

机构：

[1] ETH, Inst Quantum Elect, Auguste Piccard Hof 1, CH-8093 Zurich, Switzerland

[2] Univ Cologne, Inst Phys 1, KOSMA, D-50937 Cologne, Germany

来源：

NEW JOURNAL OF PHYSICS | 2016年 / 18卷

关键词：

quantum cascade laser; THz; GaAs/AlGaAs; HETERODYNE RECEIVER; WAVE-GUIDE;

D O I：

10.1088/1367-2630/18/12/123004

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

GaAs/AlGaAs quantum cascade lasers based on four quantum well structures operating at 4.7 THz are reported. A large current density dynamic range is observed, leading to a maximum operation temperature of 150 K for the double metal waveguide device and a high peak output power more than 200 mW for the single surface plasmon waveguide device. A continuous wave, single mode, third order distributed feedback laser with a low electrical power dissipation and a narrow far-field beam pattern, which is required for a local oscillator in astronomy heterodyne spectrometers, is also demonstrated.

引用

页数：8

共 33 条

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