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  4. Continuous Wave Operation of a Mid-Infrared Semiconductor Laser at Room Temperature

Continuous Wave Operation of a Mid-Infrared Semiconductor Laser at Room Temperature

Author(s)
Beck, Mattias
Hofstetter, Daniel  
Laboratoire temps-fréquence  
Aellen, Thierry
Faist, Jérôme
Oesterle, Ursula
Ilegems, Marc
Gini, Emilio
Melchior, Hans
Date issued
2002
In
Science, American Association for the Advancement of Science
Vol
295
No
5553
From page
301
To page
305
Abstract
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.
Publication type
journal article
Identifiers
https://libra.unine.ch/handle/20.500.14713/65616
DOI
10.1126/science.1066408
-
https://libra.unine.ch/handle/123456789/9158
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Beck_Mattias_-_Continuous_Wave_Operation_AAAS_Science_295_2002.pdf

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Main Article

Size

1.49 MB

Format

Adobe PDF

Checksum

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