Magnetic field effects on intersubband transitions in a quantum nanostructure

We report on our theoretical studies of the magnetic field effects on intersubband transitions in quantum dots (QDs) embedded in a quantum cascade structure subjected to a strong magnetic field applied perpendicular to the QD plane. The peaks of the emission spectra calculated for QDs containing a f...

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Bibliographic Details
Published in:Physica. E, Low-dimensional systems & nanostructures Low-dimensional systems & nanostructures, 2003-02, Vol.16 (2), p.253-258
Main Authors: Chakraborty, Tapash, Apalkov, V.M.
Format: Article
Language:English
Subjects:
Intersubband transitions
Quantum cascade laser
Quantum dots
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Summary:We report on our theoretical studies of the magnetic field effects on intersubband transitions in quantum dots (QDs) embedded in a quantum cascade structure subjected to a strong magnetic field applied perpendicular to the QD plane. The peaks of the emission spectra calculated for QDs containing a few interacting electrons indicate that there is a correlation between the non-monotonic behavior of the maximum value of the emission spectrum as a function of the applied magnetic field and the field dependence of the low-lying energy spectra of the dots.
ISSN:1386-9477
1873-1759
DOI:10.1016/S1386-9477(02)00674-4