Terahertz quantum cascade laser at 3.39 THz

被引：5

作者：

Cao Jun-Cheng ^{[1
]}

Li Hua ^{[1
]}

Han Ying-Jun ^{[1
]}

Tan Zhi-Yong ^{[1
]}

Lue Jing-Tao ^{[1
]}

Luo Hui ^{[2
]}

Laframboise Sylvain ^{[2
]}

Liu Hui-Chun ^{[2
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China

[2] Natl Res Council Canada, Inst Microstruct Sci, Ottawa, ON K1A 0R6, Canada

来源：

CHINESE PHYSICS LETTERS | 2008年 / 25卷 / 03期

关键词：

D O I：

暂无

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We demonstrate the growth of terahertz quantum cascade laser (THz QCL) by gas source molecular beam epitaxy. X-ray diffraction and cross-sectional transmission electron microscopic measurements show the high crystalline quality of the THz QCL active region. From the cross-sectional transmission electron microscopy image, sharp interfaces are observed and the deduced cascade period thickness is consistent with the result of x-ray diffraction. The test device is lasing at 3.39 THz and operating up to 100K in pulsed mode. At 10 K, the maximum output power is greater than 1mW with a threshold current density of 738 A/cm(2).

引用

页码：953 / 956

页数：4

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