Non-uniform lateral current distribution in quantum cascade lasers

被引：1
|
作者：
Huang, Xue [1 ]
Dikmelik, Yamac [2 ]
Gmachl, Claire [1 ]
机构：
[1] Princeton Univ, Dept Elect Engn, Princeton, NJ 08544 USA
[2] Johns Hopkins Univ, Dept Elect & Comp Engn, Baltimore, MD 21218 USA
来源：
OPTICS EXPRESS | 2014年 / 22卷 / 05期
关键词：
THRESHOLD;
D O I：
10.1364/OE.22.006154
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Non-uniform lateral current distribution in quantum cascade (QC) lasers is investigated, as a result of stimulated-optical-emission-assisted electron transport, the rate of which depends on the local photon density and is comparable to the longitudinal optical (LO) phonon scattering rate. A microscopic model based on rate equations is built to study the self-consistent process of interaction between local electrons and photons in QC lasers. The non-uniform distribution of lateral current and the corresponding spatial hole burning are simulated from this model. Moreover, multi-transverse-mode operation in QC lasers is also investigated. (C) 2014 Optical Society of America
引用
收藏
页码：6154 / 6164
页数：11
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