Modulation properties of optically injection-locked quantum cascade lasers

被引：27
|
作者：
Wang, Cheng [1 ,2 ]
Grillot, Federic [2 ]
Kovanis, Vassilios I. [3 ]
Bodyfelt, Joshua D. [4 ]
Even, Jacky [1 ]
机构：
[1] Univ Europeenne Bretagne, INSA, CNRS FOTON, F-35708 Rennes 7, France
[2] Telecom Paristech, Ecole Natl Super Telecommun, CNRS LTCI, F-75013 Paris, France
[3] USAF, Res Lab, Wright Patterson AFB, OH 45433 USA
[4] Ohio State Univ, Electrosci Lab, Columbus, OH 43212 USA
来源：
OPTICS LETTERS | 2013年 / 38卷 / 11期
关键词：
SEMICONDUCTOR-LASERS;
D O I：
10.1364/OL.38.001975
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A rate equation analysis on the modulation response of an optical injection-locked quantum cascade laser is outlined. It is found that the bifurcation diagram exhibits both bistable and unstable locked regions. In addition, the stable locked regime widens as the linewidth enhancement factor increases. It is also shown that both positive and negative optical detunings as well as strong injection strength enhance the 3 dB modulation bandwidth by as much as 30 GHz. Finally, the peak in the modulation response is significantly influenced by the optical frequency detuning. (C) 2013 Optical Society of America
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页码：1975 / 1977
页数：3
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