Electric-field-induced exciton ionization in a GaAs/AlGaAs superlattice

G. von Plessen, T. Meier, M. Koch, J. Feldmann, Stephan W Koch, P. Thomas, E. O. Göbel, K. W. Goossen, J. M. Kuo, R. F. Kopf

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

We study exciton ionization induced by an axial electric field in a strongly coupled GaAs/Al0.3 Ga0.7 As superlattice at low temperatures. The field-induced ionization times of the heavy-hole 1s exciton in the miniband field regime are determined from transient four-wave-mixing experiments and theoretical model calculations. They are found to lie between the field ionization times of excitons in bulk semiconductors, and in strongly confined quantum well systems.

Original languageEnglish (US)
Pages (from-to)1759-1762
Number of pages4
JournalIl Nuovo Cimento D
Volume17
Issue number11-12
DOIs
StatePublished - Nov 1995
Externally publishedYes

Fingerprint

Excitons
Ionization
aluminum gallium arsenides
Electric fields
excitons
ionization
electric fields
Four wave mixing
four-wave mixing
Semiconductor quantum wells
quantum wells
Semiconductor materials
LDS 751
gallium arsenide
Experiments
Temperature

Keywords

  • Conference proceedings
  • Excitons and related phenomena (including electron-hole drops)
  • Optical properties of thin films, surfaces and thin layer structures (including superlattices, heterostructures, and intercalation compounds)
  • Optical transient phenomena (including quantum beats, dephasings and revivals, photon echoes, free induction decay, and optical mutation)
  • Time-resolved optical spectroscopies and other ultrafast optical measurements in condensed matter

ASJC Scopus subject areas

  • Ocean Engineering
  • Mechanical Engineering
  • Electrical and Electronic Engineering
  • Control and Systems Engineering
  • Engineering (miscellaneous)
  • Nuclear Energy and Engineering
  • Computer Science Applications
  • Chemical Engineering(all)

Cite this

von Plessen, G., Meier, T., Koch, M., Feldmann, J., Koch, S. W., Thomas, P., ... Kopf, R. F. (1995). Electric-field-induced exciton ionization in a GaAs/AlGaAs superlattice. Il Nuovo Cimento D, 17(11-12), 1759-1762. https://doi.org/10.1007/BF02457276

Electric-field-induced exciton ionization in a GaAs/AlGaAs superlattice. / von Plessen, G.; Meier, T.; Koch, M.; Feldmann, J.; Koch, Stephan W; Thomas, P.; Göbel, E. O.; Goossen, K. W.; Kuo, J. M.; Kopf, R. F.

In: Il Nuovo Cimento D, Vol. 17, No. 11-12, 11.1995, p. 1759-1762.

Research output: Contribution to journalArticle

von Plessen, G, Meier, T, Koch, M, Feldmann, J, Koch, SW, Thomas, P, Göbel, EO, Goossen, KW, Kuo, JM & Kopf, RF 1995, 'Electric-field-induced exciton ionization in a GaAs/AlGaAs superlattice', Il Nuovo Cimento D, vol. 17, no. 11-12, pp. 1759-1762. https://doi.org/10.1007/BF02457276
von Plessen G, Meier T, Koch M, Feldmann J, Koch SW, Thomas P et al. Electric-field-induced exciton ionization in a GaAs/AlGaAs superlattice. Il Nuovo Cimento D. 1995 Nov;17(11-12):1759-1762. https://doi.org/10.1007/BF02457276
von Plessen, G. ; Meier, T. ; Koch, M. ; Feldmann, J. ; Koch, Stephan W ; Thomas, P. ; Göbel, E. O. ; Goossen, K. W. ; Kuo, J. M. ; Kopf, R. F. / Electric-field-induced exciton ionization in a GaAs/AlGaAs superlattice. In: Il Nuovo Cimento D. 1995 ; Vol. 17, No. 11-12. pp. 1759-1762.
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AU - Feldmann, J.

AU - Koch, Stephan W

AU - Thomas, P.

AU - Göbel, E. O.

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AU - Kopf, R. F.

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AB - We study exciton ionization induced by an axial electric field in a strongly coupled GaAs/Al0.3 Ga0.7 As superlattice at low temperatures. The field-induced ionization times of the heavy-hole 1s exciton in the miniband field regime are determined from transient four-wave-mixing experiments and theoretical model calculations. They are found to lie between the field ionization times of excitons in bulk semiconductors, and in strongly confined quantum well systems.

KW - Conference proceedings

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KW - Optical properties of thin films, surfaces and thin layer structures (including superlattices, heterostructures, and intercalation compounds)

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