Continuous wave operation of a mid-infrared semiconductor laser at room temperature

被引：757

作者：

Beck, M ^{[1
]}

Hofstetter, D

Aellen, T

Faist, J

Oesterle, U

Ilegems, M

Gini, E

Melchior, H

机构：

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

[2] Swiss Fed Inst Technol, Dept Phys, Inst Micro & Optoelect, CH-1015 Lausanne, Switzerland

[3] Swiss Fed Inst Technol, Dept Phys, Inst Quantum Elect, CH-8093 Zurich, Switzerland

来源：

SCIENCE | 2002年 / 295卷 / 5553期

关键词：

D O I：

10.1126/science.1066408

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Continuous wave operation of quantum cascade lasers is reported up to a temperature of 312 kelvin. The devices were fabricated as buried heterostructure lasers with high-reflection coatings on both laser facets, resulting in continuous wave operation with optical output power ranging from 17 milliwatts at 292 kelvin to 3 milliwatts at 312 kelvin, at an emission wavelength of 9.1 micrometers. The results demonstrate the potential of quantum cascade lasers as continuous wave mid-infrared light sources for high-resolution spectroscopy, chemical sensing applications, and free-space optical communication systems.

引用

页码：301 / 305

页数：5

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