Short wavelength (4 μm) quantum cascade detector based on strain compensated InGaAs/InAlAs

被引：33

作者：

Giorgetta, F. R. ^{[1
]}

Baumann, E. ^{[1
]}

Theron, R. ^{[1
]}

Pellaton, M. L. ^{[1
]}

Hofstetter, D. ^{[1
]}

Fischer, M. ^{[2
]}

Faist, J. ^{[2
]}

机构：

[1] Univ Neuchatel, CH-2000 Neuchatel, Switzerland

[2] ETH, CH-8092 Zurich, Switzerland

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 12期

关键词：

D O I：

10.1063/1.2902301

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on a quantum cascade detector based on nearly strain compensated InGaAs/InAlAs pseudomorphically grown on InP substrate and detecting light at short wavelengths around 4 mu m. The background limited infrared performance (BLIP) condition is met at a temperature of 108 K with a high detectivity of D-BLIP(*) = 1.2 x 10(11) Jones. (C) 2008 American Institute of Physics.

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页数：3

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