Noise current investigations of g-r noise limited and shot noise limited QWIPs

被引：23

作者：

Rehm, R ^{[1
]}

Schneider, H ^{[1
]}

Schönbein, C ^{[1
]}

Walther, M ^{[1
]}

机构：

[1] Fraunhofer Inst Angew Festkorperphys, D-79108 Freiburg, Germany

来源：

PHYSICA E | 2000年 / 7卷 / 1-2期

关键词：

quantum-well infrared detectors; Johnson noise; g-r noise; infrared detector;

D O I：

10.1016/S1386-9477(99)00301-X

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

We report on the experimental determination of the different contributions to the noise current in quantum-well infrared photodetectors (QWIPs). A detailed description of the measurement set-up and experimental methods is given. The noise properties of conventional bound-to-continuum QWIPs and four-zone QWIPs will be discussed. The noise current of these devices is dominated by g-r noise and by shot noise, respectively. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：124 / 129

页数：6

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