Femtosecond hole relaxation in n-type modulation-doped quantum wells

Akihisa Tomita, Jagdeep Shah, J. E. Cunningham, Stephen Goodnick, P. Lugli, Shun L. Chuang

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

We present a study of femtosecond hole-relaxation dynamics in n-modulation-doped GaAs/AlxGa1-xAs quantum wells at low temperatures and low photoexcitation density. We conclude that holes are nonthermal for approximately the first 800 fs and determine the hole-electron energy loss rates by comparing experimental results with Monte Carlo simulations. These results represent a definitive study of hole scattering and relaxation processes in a semiconductor.

Original languageEnglish (US)
Pages (from-to)5708-5711
Number of pages4
JournalPhysical Review B
Volume48
Issue number8
DOIs
StatePublished - 1993
Externally publishedYes

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Photoexcitation
Relaxation processes
Semiconductor quantum wells
Energy dissipation
Modulation
quantum wells
Scattering
Semiconductor materials
modulation
Electrons
Temperature
photoexcitation
energy dissipation
electron energy
Monte Carlo simulation
gallium arsenide
scattering
simulation

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Tomita, A., Shah, J., Cunningham, J. E., Goodnick, S., Lugli, P., & Chuang, S. L. (1993). Femtosecond hole relaxation in n-type modulation-doped quantum wells. Physical Review B, 48(8), 5708-5711. https://doi.org/10.1103/PhysRevB.48.5708

Femtosecond hole relaxation in n-type modulation-doped quantum wells. / Tomita, Akihisa; Shah, Jagdeep; Cunningham, J. E.; Goodnick, Stephen; Lugli, P.; Chuang, Shun L.

In: Physical Review B, Vol. 48, No. 8, 1993, p. 5708-5711.

Research output: Contribution to journalArticle

Tomita, A, Shah, J, Cunningham, JE, Goodnick, S, Lugli, P & Chuang, SL 1993, 'Femtosecond hole relaxation in n-type modulation-doped quantum wells', Physical Review B, vol. 48, no. 8, pp. 5708-5711. https://doi.org/10.1103/PhysRevB.48.5708
Tomita, Akihisa ; Shah, Jagdeep ; Cunningham, J. E. ; Goodnick, Stephen ; Lugli, P. ; Chuang, Shun L. / Femtosecond hole relaxation in n-type modulation-doped quantum wells. In: Physical Review B. 1993 ; Vol. 48, No. 8. pp. 5708-5711.
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