High temperature operation of λ≈3.3 μm quantum cascade lasers

被引：52

作者：

Devenson, J. ^{[1
]}

Cathabard, O. ^{[1
]}

Teissier, R. ^{[1
]}

Baranov, A. N. ^{[1
]}

机构：

[1] Univ Montpellier 2, UMR 5214, CNRS, Inst Elect Sud, F-34095 Montpellier, France

来源：

APPLIED PHYSICS LETTERS | 2007年 / 91卷 / 14期

关键词：

Quantum well lasers;

D O I：

10.1063/1.2794414

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report quantum cascade lasers emitting at a wavelength near 3.3 mu m up to a temperature of 400 K in pulsed mode. A fine tuning of the InAs/AlSb active region design allowed to maintain efficient electron injection and to reduce thermal backfilling at high temperatures. The threshold current density is 3 kA/cm(2) at 300 K with characteristic temperature T-0 of 175 K. The lasers emitted up to 1 W peak power in a single lateral mode at room temperature. (C) 2007 American Institute of Physics.

引用

页数：3

共 10 条

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APPLIED PHYSICS LETTERS, 2007, 90 (05)

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