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Portrait of Andreas Wacker. Photo: Kennet Ruona

Andreas Wacker

Professor

Portrait of Andreas Wacker. Photo: Kennet Ruona

Nonequilibrium Green's Function Model for Simulation of Quantum Cascade Laser Devices Under Operating Conditions

Author

  • Andreas Wacker
  • Martin Franckie
  • David Winge

Summary, in English

A simulation scheme based on nonequilibrium Green's functions for biased periodic semiconductor heterostructure devices is presented in detail. The implementation can determine current and optical gain both for small and large optical fields. Specific results for superlattices, quantum cascade lasers, and quantum cascade detectors are shown which demonstrate the capabilities of the approach.

Department/s

  • Mathematical Physics
  • NanoLund: Center for Nanoscience

Publishing year

2013

Language

English

Publication/Series

IEEE Journal of Selected Topics in Quantum Electronics

Volume

19

Issue

5

Document type

Journal article

Publisher

IEEE - Institute of Electrical and Electronics Engineers Inc.

Topic

  • Condensed Matter Physics

Keywords

  • Nonequilibrium Green's functions (NEGF)
  • quantum cascade laser
  • simulation

Status

Published

Project

  • Modeling Quantum Cascade Lasers: the Challenge of Infra-Red Devices

ISBN/ISSN/Other

  • ISSN: 1077-260X