Dominant role of many-body effects on the carrier distribution function of quantum dot lasers
Dominant role of many-body effects on the carrier distribution function of quantum dot lasers
复制标题
DOI：
10.7567/apex.9.032705
复制
发表时间：
2016-02
影响因子：
2.3
通讯作者：
N. Peyvast;K. Zhou;R. Hogg;D. Childs
中科院分区：
文献类型：
--
作者：
N. Peyvast;K. Zhou;R. Hogg;D. Childs
考虑载流子统计（Fermi-Dirac和随机载流子分布）以及量子点系综不均匀性和状态分离的不同极端情况，采用Monte Carlo模型研究了自由载流子引起的位移和展宽对载流子分布函数的影响.使用这个模型，我们表明，决定载流子分布函数的主导因素是自由载流子效应，而不是选择的载波统计。通过使用自由载流子引起的位移和加宽的经验值，获得良好的协议与实验数据的量子点材料下获得的电注入载流子统计的两个极端情况下。
The effects of free-carrier-induced shift and broadening on the carrier distribution function are studied considering different extreme cases for carrier statistics (Fermi–Dirac and random carrier distributions) as well as quantum dot (QD) ensemble inhomogeneity and state separation using a Monte Carlo model. Using this model, we show that the dominant factor determining the carrier distribution function is the free carrier effects and not the choice of carrier statistics. By using empirical values of the free-carrier-induced shift and broadening, good agreement is obtained with experimental data of QD materials obtained under electrical injection for both extreme cases of carrier statistics.