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  4. Distributed-feedback quantum cascade lasers emitting in the 9-<i>μ</i>m band with InP top cladding layers
 
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Distributed-feedback quantum cascade lasers emitting in the 9-<i>μ</i>m band with InP top cladding layers

Auteur(s)
Hofstetter, Daniel 
Institut de physique 
Beck, Mattias
Aellen, Thierry
Faist, Jérôme
Oesterle, Ursula
Ilegems, Marc
Gini Emilio
Melchior, Hans
Date de parution
2002
In
Photonics Technology Letters (IEEE), Institute of Electrical and Electronics Engineers (IEEE), 2002/14/1/18-20
Mots-clés
  • distributed feedback
  • high power
  • high temperature
  • mid-infrared
  • quantum cascade laser
  • distributed feedback

  • high power

  • high temperature

  • mid-infrared

  • quantum cascade laser...

Résumé
Two different high performance quantum cascade distributed-feedback lasers with four quantum-well-based active regions and InP top cladding layers are presented. The first device, which emitted at 9.5 <i>μ</i>m, was mounted junction down in order to get high average powers of up to 71 mW at -30°C and 30 mW at room temperature. The other device, which lased at 9.1 <i>μ</i>m, was optimized for high pulsed operating temperatures and tested up to 150°C at 1.5% duty cycle. The emission of both lasers stayed single mode with more than 20-dB side-mode suppression ratio over the entire investigated power and temperature range.
Identifiants
https://libra.unine.ch/handle/123456789/16707
_
10.1109/68.974147
Type de publication
journal article
Dossier(s) à télécharger
 main article: Hofstetter_Daniel_-_Distributed-Feedback_Quantum_Cascade_20080515.pdf (273.37 KB)
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