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Title:

Importance of Coulomb interactions in bound-to-continuum THz quantum cascade lasers

Document type:
Zeitschriftenaufsatz
Author(s):
Jirauschek, C.; Mátyás, A.; Lugli, P.
Abstract:
We demonstrate the importance of Coulomb interactions in bound-to-continuum THz quantum cascade lasers, employing an ensemble Monte-Carlo analysis. In such structures, the electron-electron interactions between the closely spaced energy levels in the minibands tend to play a more important role than in resonant-phonon depopulation designs, where the energy levels are more energetically separated and LO phonon scattering prevails. Also a significant conduction band bending due to space charge eff...     »
Congress title:
Electron Dynamics In Semiconductors, Optoelectronics and Nanostructures (EDISON 16), Poster Th-P30
Congress / additional information:
Montpellier, France, August 24–28 2009.
Journal title:
Journal of Physics: Conference Series Volume 193 Number 1 2009-08
Year:
2009
Journal volume:
. Phys.: Conf. Ser. 193 012062
Year / month:
2009-08
Quarter:
3. Quartal
Month:
Aug
Language:
en
Fulltext / DOI:
doi:10.1088/1742-6596/193/1/012062
WWW:
http://iopscience.iop.org/1742-6596/193/1/012062?fromSearchPage=true
Publisher:
IOP Publishing
Format:
Text
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