A rate equation formalism for electron and phonon dynamics in undoped quantum wells

J. L. Educato, J. P. Leburton

Research output: Contribution to journalArticlepeer-review

Abstract

A theoretical investigation of the electron and phonon dynamics during intersubband transitions in undoped multiple GaAs-AlxGa 1-xAs quantum well structures is presented within a rate equation formulation where particle and energy flow equations are derived from Boltzmann's equation using Fermi statistics. This work focuses upon the role played by quantized polar optical phonons known as slab modes and interface modes. Photoexcited carrier behavior is analyzed in relation with recent Raman measurements and shows time constants for electron relaxation in agreement with experimental data.

Original languageEnglish (US)
Pages (from-to)2626-2632
Number of pages7
JournalJournal of Applied Physics
Volume74
Issue number4
DOIs
StatePublished - 1993

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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