Influence of disorder and a parallel magnetic field on a Quantum Cascade Laser

Details Influence of disorder and a parallel magnetic field on a Quantum Cascade Laser Influence of disorder and a parallel magnetic field on a Quantum Cascade Laser

2000-09-02

arxiv.org/abs/cond-mat/0009026v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

3 pages, 3 figues

Scientific paper

10.1063/1.1343495

The luminescence spectra of a quantum cascade laser in a strong magnetic field is influenced significantly by the presence of disorder (charged or neutral) in the system. An externally applied magnetic field parallel to the electron plane causes a red shift of the luminescence peak in the absence of any disorder potential. Our results indicate that the disorder potential tends to cancel that red shift and causes a rapid decrease of the luminescence peak. A similar behavior was observed in a recent experiment on QCL in a parallel magnetic field.

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