Gain, loss, and internal efficiency in interband cascade lasers emitting at λ=3.6-4.1 μm

被引：28

作者：

Bewley, W. W. ^{[1
]}

Lindle, James R. ^{[1
]}

Canedy, C. L. ^{[1
]}

Kim, M. ^{[1
]}

Kim, C. S. ^{[1
]}

Larrabee, D. C. ^{[1
]}

Vurgaftman, I. ^{[1
]}

Meyer, J. R. ^{[1
]}

机构：

[1] USN, Res Lab, Washington, DC 20375 USA

来源：

JOURNAL OF APPLIED PHYSICS | 2008年 / 103卷 / 01期

关键词：

D O I：

10.1063/1.2831225

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We employ a cavity-length study to determine the temperature variation of the internal loss and gain per unit current density in a ten-stage interband cascade laser that operated cw up to 269 K with an emission wavelength of 4.05 mu m. The characteristic temperature for the gain per unit current density is 39 K, which is slightly lower than T-0 of the threshold current and is consistent with dominance by Auger recombination. The internal loss for the 150-mu m-wide mesa devices increased from 11 cm(-1) at 78 K to 28 cm(-1) at 275 K. (c) 2008 American Institute. of Physics.

引用

页数：4

共 22 条

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