TITLE

Carrier thermalization versus phonon-assisted relaxation in quantum-cascade lasers: A Monte Carlo approach

AUTHOR(S)
Iotti, Rita Claudia; Rossi, Fausto
PUB. DATE
May 2001
SOURCE
Applied Physics Letters;5/7/2001, Vol. 78 Issue 19, p2902
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
In this letter, we present a microscopic analysis of the hot-carrier dynamics governing intersubband light-emitting devices. In particular, a global Monte Carlo simulation scheme is proposed in order to directly access details of the three-dimensional carrier relaxation, without resorting to phenomenological parameters. The competition between intercarrier thermalization and phonon-assisted relaxation in quantum-cascade lasers is investigated and their relative importance on device performance is clearly identified. © 2001 American Institute of Physics.
ACCESSION #
4710421

 

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