Physical model of quantum-well infrared photodetectors

被引：31
|
作者：
Jovanovic, VD [1 ]
Harrison, P [1 ]
Ikonic, Z [1 ]
Indjin, D [1 ]
机构：
[1] Univ Leeds, Sch Elect & Elect Engn, Leeds LS2 9JT, W Yorkshire, England
来源：
JOURNAL OF APPLIED PHYSICS | 2004年 / 96卷 / 01期
关键词：
D O I：
10.1063/1.1756691
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A fully quantum-mechanical model for electron transport in quantum-well infrared photodetectors (QWIPs) is presented, based on a self-consistent solution of the coupled rate equations. The important macroscopic parameters like current density, responsivity, and capture probability can be estimated directly from this first-principles calculation. The applicability of the model was tested by comparison with experimental measurements from a GaAs/AlGaAs device, and good agreement was found. The model is general and can be applied to any other material system or QWIP design. (C) 2004 American Institute of Physics.
引用
收藏
页码：269 / 272
页数：4
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