Light propagation and disorder effects in semiconductor multiple quantum wells

T. Stroucken, A. Knorr, C. Anthony, A. Schulze, P. Thomas, S. W. Koch, M. Koch, S. T. Cundiff, J. Feldmann, E. O. Göbel

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

Propagation of femtosecond light pulses in semiconductor multiple quantum wells with interface roughness is investigated theoretically and experimentally. It is shown that the nonlocal susceptibility causes exciton broadening, decreases the relative magnitude of the 1s and 2s resonances, and leads to multiple reflections. The time resolved signal exhibits modulations that are sensitive to the barrier thickness. The absorption spectrum and time dependence of the beat frequency are influenced by static disorder.

Original languageEnglish (US)
Pages (from-to)2391-2394
Number of pages4
JournalPhysical review letters
Volume74
Issue number12
DOIs
StatePublished - Jan 1 1995

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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