Low temperature noise measurements on quantum well infrared photodetectors

被引：6

作者：

Klemme, BJ ^{[1
]}

Morath, CC ^{[1
]}

Le, DT ^{[1
]}

机构：

[1] USAF, Res Labs, Space Vehicles Directorate, Washington, DC 20330 USA

来源：

FLUCTUATIONS AND NOISE IN PHOTONICS AND QUANTUM OPTICS | 2003年 / 5111卷

关键词：

quantum well infrared photodetector; noise; infrared sensors;

D O I：

10.1117/12.496929

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Noise current under dark conditions was measured on a Quantum Well Infrared Photodetector (QWIP) with careful attention to noise sources present in the measurement apparatus. The noise was dominated by Johnson noise at temperatures less than or equal to 40K, and by G-R noise at 77K and finite bias. A new method to measure noise in QWIPs is described.

引用

页码：162 / 171

页数：10

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