GaAs/AlGaAs distributed feedback quantum cascade lasers

被引：42
|
作者：
Schrenk, W [1 ]
Finger, N [1 ]
Gianordoli, S [1 ]
Hvozdara, L [1 ]
Strasser, G [1 ]
Gornik, E [1 ]
机构：
[1] Vienna Tech Univ, Inst Festkorperelekt, A-1040 Vienna, Austria
来源：
APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 03期
关键词：
D O I：
10.1063/1.125738
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on the realization of distributed feedback quantum cascade lasers in the GaAs/AlGaAs material system. A metallized surface relief grating is used for feedback. Both single mode and double mode emission is observed at lambda approximate to 10 mu m. The coupling coefficient is measured from the mode spacing for double mode emission to be 24 cm(-1). The emission wave number can be tuned with the temperature at a rate of d nu/dT approximate to 0.048 cm(-1)/K. (C) 2000 American Institute of Physics. [S0003-6951(00)03103-X].
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收藏
页码：253 / 255
页数：3
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