Electromagnetic Modeling of Quantum Well Infrared Photodetectors

被引：25
|
作者：
Choi, Kwong-Kit [1 ]
Jhabvala, Murzy D. [2 ]
Forrai, David P. [3 ]
Waczynski, Augustyn [2 ]
Sun, Jason [1 ]
Jones, Robert [3 ]
机构：
[1] USA, Res Labs, Adelphi, MD 20833 USA
[2] NASA, Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[3] L 3 Cincinnati Elect, Mason, OH 45040 USA
来源：
IEEE JOURNAL OF QUANTUM ELECTRONICS | 2012年 / 48卷 / 03期
关键词：
Electromagnetic field modeling; infrared detector; quantum efficiency;
D O I：
10.1109/JQE.2011.2175706
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Rigorous electromagnetic field modeling is applied to calculate the quantum efficiency of various quantum well infrared photodetector (QWIP) geometries. We found quantitative agreement between theory and experiment for corrugated-QWIPs, grating-coupled QWIPs, and enhanced-QWIPs, and the model explains adequately the spectral lineshapes of the quantum grid infrared photodetectors. After establishing our theoretical approach, we used the model to optimize the detector structures for 12-micron pixel pitch focal plane arrays.
引用
收藏
页码：384 / 393
页数：10
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