Polaron signatures in the line shape of semiconductor intersubband transitions: Quantum kinetics of the electron-phonon interaction

S. Butscher, J. Förstner, I. Waldmüller, A. Knorr

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

We present a theory of the optical line shape of coherent intersubband transitions in a semiconductor quantum well, considering non-Markovian LO-phonon scattering as major broadening mechanism. We show that a quantum kinetic approach leads to additional polaron resonances and a resonance enhancement for gap energies close to the phonon energy.

Original languageEnglish (US)
Pages (from-to)R49-R51
JournalPhysica Status Solidi (B): Basic Research
Volume241
Issue number11
DOIs
StatePublished - Sep 2004
Externally publishedYes

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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