Characterization of intersubband devices combining a nonequilibrium many body theory with transmission spectroscopy experiments

M. F., Jr. Pereira, Rikard Nelander, Andreas Wacker, D. G. Revin, M. R. Soulby, L. R. Wilson, J. W. Cockburn, A. B. Krysa, J. S. Roberts, R. J. Airey

Research output: Contribution to journalArticlepeer-review

30 Citations (SciVal)

Abstract

In this paper we apply a microscopic nonequilibrium many body Keldysh Green's functions approach to an analysis of complex intersubband optical materials and devices. The calculated absorption/gain spectra are in very good agreement with transmission spectroscopy measurements of quantum cascade laser structures operating in the mid-infrared (midIR). The very good agreement reached between theoretical results and experimental measurements benchmarks the predictive power of our algorithms and its potential as a design tool for efficient intersubband designs.
Original languageEnglish
Pages (from-to)689-694
JournalJournal of Materials Science: Materials in Electronics
Volume18
Issue number7
DOIs
Publication statusPublished - 2007

Subject classification (UKÄ)

  • Condensed Matter Physics

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