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Conferences > CLEO_Europe > 2011 > CC1 > CC1_5
  • CLEO/Europe and EQEC 2011 Conference Digest
  • OSA Technical Digest (CD) (Optica Publishing Group, 2011),
  • paper CC1_5

Scattering processes in Terahertz InGaAs/InAlAs quantum cascade lasers

M. Fischer, G. Scalari, K. Celebi, M. Amanti, Ch. Walther, M. Beck, and J. Faist

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Abstract

The Quantum cascade laser (QCL) is a compact source of coherent radiation in the terahertz spectral region (FIR). A possible solution for improvement of the maximum operating temperature is use of the InGaAs/InAlAs/InP (referred as InP based) material system instead of GaAs/AlGaAs. This material has a lower electron effective mass that leads to a larger matrix dipole element and larger optical gain for a similar structure.

© 2011 Optical Society of America

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