Limiting Factors for High Temperature Operation of THz Quantum Cascade Lasers

Christian Jirauschek; Paolo Lugli

Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies
OSA Technical Digest Series (CD) (Optica Publishing Group, 2007),
paper CWG2

Limiting Factors for High Temperature Operation of THz Quantum Cascade Lasers

Christian Jirauschek and Paolo Lugli

Conference on Lasers and Electro-Optics 2007

Baltimore, Maryland United States
6–11 May 2007
ISBN: 1557528349

From the session
Joint Symposium on THz QCLs I (CWG)

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C. Jirauschek and P. Lugli, "Limiting Factors for High Temperature Operation of THz Quantum Cascade Lasers," in Conference on Lasers and Electro-Optics/Quantum Electronics and Laser Science Conference and Photonic Applications Systems Technologies, OSA Technical Digest Series (CD) (Optica Publishing Group, 2007), paper CWG2.

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Abstract

We theoretically investigate the temperature dependence of the carrier transport in GaAs-based THz quantum cascade lasers and identify the factors restricting high-temperature operation. In this context, we compare a single- to a double-resonant-phonon depopulation design.

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