Impact of momentum dependent matrix elements on scattering effects in quantum cascade lasers

Tim Schmielau, Mauro F. Pereira

Research output: Contribution to journalArticlepeer-review

41 Scopus citations

Abstract

Results for our fully frequency- und wavevector-dependend self-consistent nonequilibrium Green's function simulations of electron transport through quantum cascade lasers are compared to those from a simplified approach where scattering rates are only evaluated at representative 'typical values' of the in-plane momentum due to the complexity of the underlying many-body problem and the limited computational resources available. We find a noticeable impact on electronic lineshapes.

Original languageBritish English
Pages (from-to)329-331
Number of pages3
JournalPhysica Status Solidi (B) Basic Research
Volume246
Issue number2
DOIs
StatePublished - Feb 2009

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