Excitation induced shift and broadening of the exciton resonance

S. Wachter, M. Maute, H. Kalt, I. Galbraith, C. Sieh, T. Meier, S. W. Koch

Research output: Contribution to journalArticle

Abstract

The influence of coherent photoexcited excitons on the absorption spectra and the Four Wave Mixing response of ZnSe/ZnMgSSe quantum wells is investigated for various polarization configurations. For purely resonant excitation at the heavy-hole-exciton a blue shift and an increasing homogeneous line width of the exciton absorption peak is found. The clear and stable blue shift shows a linear dependence on excitation fluence both in experiment and theory with different slopes for the different pump and probe polarization configurations. The equivalence of pump and probe, and Four Wave Mixing results is shown experimentally. © 2002 Elsevier Science B.V. All rights reserved.

Original languageEnglish
Pages (from-to)309-313
Number of pages5
JournalPhysica B: Condensed Matter
Volume314
Issue number1-4
DOIs
Publication statusPublished - Mar 2002

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excitons
blue shift
four-wave mixing
shift
pumps
excitation
probes
polarization
configurations
equivalence
fluence
quantum wells
slopes
absorption spectra

Keywords

  • Coherent exciton interaction
  • Four Wave Mixing
  • Polarization
  • Pump and probe

Cite this

Wachter, S. ; Maute, M. ; Kalt, H. ; Galbraith, I. ; Sieh, C. ; Meier, T. ; Koch, S. W. / Excitation induced shift and broadening of the exciton resonance. In: Physica B: Condensed Matter. 2002 ; Vol. 314, No. 1-4. pp. 309-313.
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Wachter, S, Maute, M, Kalt, H, Galbraith, I, Sieh, C, Meier, T & Koch, SW 2002, 'Excitation induced shift and broadening of the exciton resonance', Physica B: Condensed Matter, vol. 314, no. 1-4, pp. 309-313. https://doi.org/10.1016/S0921-4526(01)01400-4

Excitation induced shift and broadening of the exciton resonance. / Wachter, S.; Maute, M.; Kalt, H.; Galbraith, I.; Sieh, C.; Meier, T.; Koch, S. W.

In: Physica B: Condensed Matter, Vol. 314, No. 1-4, 03.2002, p. 309-313.

Research output: Contribution to journalArticle

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AU - Kalt, H.

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AB - The influence of coherent photoexcited excitons on the absorption spectra and the Four Wave Mixing response of ZnSe/ZnMgSSe quantum wells is investigated for various polarization configurations. For purely resonant excitation at the heavy-hole-exciton a blue shift and an increasing homogeneous line width of the exciton absorption peak is found. The clear and stable blue shift shows a linear dependence on excitation fluence both in experiment and theory with different slopes for the different pump and probe polarization configurations. The equivalence of pump and probe, and Four Wave Mixing results is shown experimentally. © 2002 Elsevier Science B.V. All rights reserved.

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