Monte Carlo simulation of carrier transport and output characteristics of terahertz quantum cascade lasers

被引：0
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作者：
Li, H. [1 ]
Cao, J.C. [1 ]
Lü, J.T. [1 ]
机构：
[1] State Key Laboratory of Functional Materials for Informatics, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, 865 Changning Road, Shanghai 200050, China
来源：
Journal of Applied Physics | 2008年 / 103卷 / 10期
关键词：
An ensemble Monte Carlo method; including electron-phonon; electron-electron; electron-impurity scatterings and the hot phonon effect; is used to simulate the carrier transport and output characteristics of a lasing terahertz quantum cascade laser. A simulated I-V curve fits well with the measurement at the lasing domain. Extracted output characteristics; e.g; the gain; threshold current density; and threshold bias; are in good agreement with the experimental results. All the above indicate that the proposed Monte Carlo model is a useful tool for investigating the physical characteristics of terahertz quantum cascade lasers; as well as for analyzing and optimizing device performances. © 2008 American Institute of Physics;
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