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Portrait of Andreas Wacker. Photo: Kennet Ruona

Andreas Wacker

Professor

Portrait of Andreas Wacker. Photo: Kennet Ruona

Density-matrix theory of quantum cascade lasers: Localization effects

Author

  • Carsten Weber
  • Andreas Knorr
  • Andreas Wacker

Summary, in English

A density-matrix theory is employed to study dynamical effects in a THz quantum cascade laser. Varying the tunnel coupling across the injection barrier by changing the barrier width, different regimes are distinguished where stationary and dynamics-induced localization effects are found and discussed.

Department/s

  • Mathematical Physics

Publishing year

2009

Language

English

Pages

5-6

Publication/Series

Workshop proceedings terahertz and mid infrared radiation: Basic research and practical applications

Document type

Conference paper

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Condensed Matter Physics

Conference name

Workshop on Teraherz and Mid Infrared Radiation (TERA-MIR 2009)

Conference date

2009-11-03 - 2009-11-06

Conference place

Turunc Marmaris, Turkey

Status

Published

ISBN/ISSN/Other

  • ISBN: 978-1-4244-3848-8