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

Mattias Beck | Zendy; Daniel Hofstetter | Zendy; T. Aellen | Zendy; Jérôme Faist | Zendy; U. Oesterlé | Zendy; M. Ilegems | Zendy; E. Gini | Zendy; H. Melchior | Zendy

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

Author(s) -

Mattias Beck,

Daniel Hofstetter,

T. Aellen,

Jérôme Faist,

U. Oesterlé,

M. Ilegems,

E. Gini,

H. Melchior

Publication year - 2002

Publication title -

science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 12.556

H-Index - 1186

eISSN - 1095-9203

pISSN - 0036-8075

DOI - 10.1126/science.1066408

Subject(s) - continuous wave , laser , optoelectronics , semiconductor laser theory , optics , materials science , cascade , quantum well , infrared , wavelength , quantum cascade laser , semiconductor , far infrared laser , heterojunction , physics , chemistry , chromatography

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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