Many-body treatment of correlation effects in pump-probe-spectra of semiconductor quantum wells

F. Jahnke, C. Sieh, T. Meier, A. Knorr, Stephan W Koch, P. Brick, M. Hübner, C. Ell, J. Prineas, Galina Khitrova, H. M. Gibbs

Research output: Contribution to journalArticle

Abstract

Semiconductor quantum wells were excited by pump-probing to demonstrate the influence of Coulomb correlations and memory effects on excitonic optical nonlinearities. Expectation values with two carrier operators gets coupled to expectation values with four carrier operators due to Coulomb interactions under nonlinear conditions. Linear response of the semiconductor was described in terms of a Schrodinger equation for the exciton relative motion. The differential probe absorption spectra for polarized pump and probe pulses was analysed. The signal observed was determined to be due to correlation effects reduced by Markov approximations.

Original languageEnglish (US)
Pages (from-to)211-213
Number of pages3
JournalMolecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics
Volume24
Issue number3
StatePublished - 2000
Externally publishedYes

Fingerprint

Semiconductor quantum wells
quantum wells
Pumps
pumps
Schrodinger equation
operators
probes
Coulomb interactions
Excitons
Absorption spectra
nonlinearity
excitons
Semiconductor materials
absorption spectra
Data storage equipment
pulses
approximation
interactions
LDS 751

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Condensed Matter Physics

Cite this

Many-body treatment of correlation effects in pump-probe-spectra of semiconductor quantum wells. / Jahnke, F.; Sieh, C.; Meier, T.; Knorr, A.; Koch, Stephan W; Brick, P.; Hübner, M.; Ell, C.; Prineas, J.; Khitrova, Galina; Gibbs, H. M.

In: Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics, Vol. 24, No. 3, 2000, p. 211-213.

Research output: Contribution to journalArticle

Jahnke, F. ; Sieh, C. ; Meier, T. ; Knorr, A. ; Koch, Stephan W ; Brick, P. ; Hübner, M. ; Ell, C. ; Prineas, J. ; Khitrova, Galina ; Gibbs, H. M. / Many-body treatment of correlation effects in pump-probe-spectra of semiconductor quantum wells. In: Molecular Crystals and Liquid Crystals Science and Technology Section B: Nonlinear Optics. 2000 ; Vol. 24, No. 3. pp. 211-213.
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AU - Koch, Stephan W

AU - Brick, P.

AU - Hübner, M.

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AU - Prineas, J.

AU - Khitrova, Galina

AU - Gibbs, H. M.

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