Monte Carlo study of intrinsic linewidths in terahertz quantum cascade lasers

被引：27
|
作者：
Jirauschek, Christian [1 ]
机构：
[1] Tech Univ Munich, Inst Nanoelect, D-80333 Munich, Germany
来源：
OPTICS EXPRESS | 2010年 / 18卷 / 25期
关键词：
LOCAL OSCILLATOR; PHASE-LOCKING; HIGH-POWER; MODE; RECEIVER;
D O I：
10.1364/OE.18.025922
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Based on a coupled simulation of carrier transport and optical cavity field, the intrinsic linewidth in resonant phonon terahertz quantum cascade lasers is self-consistently analyzed. For high power structures, values on the order of Hz are obtained. Thermal photons are found to play a considerable role at elevated temperatures. A linewidth enhancement factor of 0.5 is calculated for the investigated designs. (c) 2010 Optical Society of America
引用
收藏
页码：25922 / 25927
页数：6
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