Continuous wave operation of a mid-infrared semiconductor laser at room temperature
M Beck, D Hofstetter, T Aellen, J Faist, U Oesterle… - science, 2002 - science.org
science, 2002•science.org
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 …
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 …
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.
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