Room-temperature operation of λ≈3.7μm Ga0.47In0.53As/ Al0.48In0.52As quantum cascade laser sources

M. Jang, R. W. Adams, J. Z. Chen, C. Gmachl, L. Cheng, F. S. Choa, M. A. Belkin

Research output: Chapter in Book/Report/Conference proceedingConference contribution


We report room-temperature operation of λ≈3.7μm lattice-matched InGaAs/AlInAs/InP quantum cascade lasers based on frequency doubling with ~2mW/W2 conversion efficiencies. Similar devices based on 1% strain-compensated materials can operate at λ=3-3.7μm.

Original languageEnglish (US)
Title of host publicationConference on Lasers and Electro-Optics, CLEO 2010
PublisherOptical Society of America (OSA)
ISBN (Print)9781557528896
StatePublished - 2010
EventConference on Lasers and Electro-Optics, CLEO 2010 - San Jose, CA, United States
Duration: May 16 2010May 21 2010

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701


OtherConference on Lasers and Electro-Optics, CLEO 2010
Country/TerritoryUnited States
CitySan Jose, CA

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics


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