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  4. Room temperature, continuous wave operation of distributed feedback quantum cascade lasers with widely spaced operation frequencies
 
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Room temperature, continuous wave operation of distributed feedback quantum cascade lasers with widely spaced operation frequencies

Auteur(s)
Wittmann, Andreas
Giovannini, Marcella 
Institut de physique 
Faist, Jérôme
Hvozdara, Lubos
Blaser, Stéphane
Hofstetter, Daniel 
Institut de physique 
Gini Emilio
Date de parution
2006
In
Applied Physics Letters, American Institute of Physics (AIP), 2006/89/141116/1-3
Résumé
Lasing properties of room temperature, continuous wave operated distributed feedback (DFB) quantum cascade lasers are reported. A bound-to-continuum active region was used to generate a broad gain spectrum. As a result, first-order DFB lasers employing different periods allowed us to achieve single mode continuous wave emission at several wavelengths ranging from 7.7 to 8.3 <i>µ</i>m at a temperature of +30 °C. The frequency span corresponds to 8% of the center frequency.
Identifiants
https://libra.unine.ch/handle/123456789/16775
_
10.1063/1.2358939
Type de publication
journal article
Dossier(s) à télécharger
 main article: Wittmann_Andreas_-_Room_temperature_continuous_wave_20080430.pdf (288.09 KB)
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