Distributed-feedback quantum cascade laser emitting at 3.2 μm

被引：12
|
作者：
Wolf, Johanna M. [1 ]
Bismuto, Alfredo [2 ]
Beck, Mattias [1 ]
Faist, Jerome [1 ]
机构：
[1] ETH, Inst Quantum Elect, CH-8093 Zurich, Switzerland
[2] Alpes Lasers SA, CH-2001 Neuchatel, Switzerland
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 02期
关键词：
D O I：
10.1364/OE.22.002111
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
In this work, we present GaInAs/AlAs/AlInAs quantum cascade lasers emitting from 3.2 to 3.4 mu m. Single-mode emission is obtained using buried distributed-feedback gratings fabricated using standard deep-UV contact lithography. This technique can easily be transferred to industrial production. Devices with single-mode emission down to 3.19 mu m were achieved with peak power of up to 250 mW at -20 degrees C. A tuning range of 11 cm(-1) was obtained by changing the device temperature between -30 degrees C and 20 degrees C. (C) 2014 Optical Society of America
引用
收藏
页码：2111 / 2118
页数：8
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