The effect of injection barrier thickness and doping level on a λ ~ 8 μm quantum cascade structure

Scott S. Howard, Daniel P. Howard, Tiffany Ko, Deborah L. Sivco, Claire F. Gmachl

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

Abstract

For a high-performance quantum cascade laser structure, a 50% reduction in doping level and 33% reduction in injection barrier thickness yields 5 times stronger luminescence, 20% smaller optical transition width, and improved current-voltage characteristics.

Original languageEnglish (US)
Title of host publicationQuantum Electronics and Laser Science Conference, QELS 2008
PublisherOptical Society of America
ISBN (Print)9781557528599
StatePublished - Jan 1 2008
EventQuantum Electronics and Laser Science Conference, QELS 2008 - San Jose, CA, United States
Duration: May 4 2008May 9 2008

Publication series

NameOptics InfoBase Conference Papers
ISSN (Electronic)2162-2701

Other

OtherQuantum Electronics and Laser Science Conference, QELS 2008
CountryUnited States
CitySan Jose, CA
Period5/4/085/9/08

All Science Journal Classification (ASJC) codes

  • Instrumentation
  • Atomic and Molecular Physics, and Optics

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