Dephasing of interacting heavy-hole and light-hole excitons in GaAs quantum wells

K. Bott, E. J. Mayer, G. O. Smith, V. Heuckeroth, M. Hübner, J. Kuhl, T. Meier, A. Schulze, M. Lindberg, Stephan W Koch, P. Thomas, R. Hey, K. Ploog

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

We describe a novel three-pulse degenerate four-wave mixing configuration that permits the direct observation of the coherence between the σ+ and the σ- exciton states in a GaAs quantum well excited in a two-photon process. It is found that the phase coherence between the two single heavy-hole exciton states decays with a time constant that is considerably longer than the dephasing time of the coherence between these states and the ground state (interband coherence). All the experimental data are well described by numerical solutions of the optical Bloch equations for a phenomenological multilevel model.

Original languageEnglish (US)
Pages (from-to)1026-1030
Number of pages5
JournalJournal of the Optical Society of America B: Optical Physics
Volume13
Issue number5
StatePublished - May 1996
Externally publishedYes

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excitons
quantum wells
phase coherence
four-wave mixing
time constant
ground state
photons
decay
configurations
pulses

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Bott, K., Mayer, E. J., Smith, G. O., Heuckeroth, V., Hübner, M., Kuhl, J., ... Ploog, K. (1996). Dephasing of interacting heavy-hole and light-hole excitons in GaAs quantum wells. Journal of the Optical Society of America B: Optical Physics, 13(5), 1026-1030.

Dephasing of interacting heavy-hole and light-hole excitons in GaAs quantum wells. / Bott, K.; Mayer, E. J.; Smith, G. O.; Heuckeroth, V.; Hübner, M.; Kuhl, J.; Meier, T.; Schulze, A.; Lindberg, M.; Koch, Stephan W; Thomas, P.; Hey, R.; Ploog, K.

In: Journal of the Optical Society of America B: Optical Physics, Vol. 13, No. 5, 05.1996, p. 1026-1030.

Research output: Contribution to journalArticle

Bott, K, Mayer, EJ, Smith, GO, Heuckeroth, V, Hübner, M, Kuhl, J, Meier, T, Schulze, A, Lindberg, M, Koch, SW, Thomas, P, Hey, R & Ploog, K 1996, 'Dephasing of interacting heavy-hole and light-hole excitons in GaAs quantum wells', Journal of the Optical Society of America B: Optical Physics, vol. 13, no. 5, pp. 1026-1030.
Bott K, Mayer EJ, Smith GO, Heuckeroth V, Hübner M, Kuhl J et al. Dephasing of interacting heavy-hole and light-hole excitons in GaAs quantum wells. Journal of the Optical Society of America B: Optical Physics. 1996 May;13(5):1026-1030.
Bott, K. ; Mayer, E. J. ; Smith, G. O. ; Heuckeroth, V. ; Hübner, M. ; Kuhl, J. ; Meier, T. ; Schulze, A. ; Lindberg, M. ; Koch, Stephan W ; Thomas, P. ; Hey, R. ; Ploog, K. / Dephasing of interacting heavy-hole and light-hole excitons in GaAs quantum wells. In: Journal of the Optical Society of America B: Optical Physics. 1996 ; Vol. 13, No. 5. pp. 1026-1030.
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