Publikation:

Time-resolved study of intervalence band thermalization in a GaAs quantum well

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Time_resolved_study_of_intervalence_band_thermalization_in_a_GaAs_quantum_well.pdf
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1996

Autor:innen

Kim, A. M. T.
Hunsche, Stefan
Kurz, Heinrich

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-44917
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https://doi.org/10.1063/1.116367
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Applied Physics Letters. 1996, 68(21), pp. 2956-2958. Available under: doi: 10.1063/1.116367

Zusammenfassung

The thermalization of optically excited cold holes in a GaAs quantum well is investigated by femtosecond two-color pump probe measurements. Clear evidence is found for scattering from heavy-holes into the lowest light-hole band due to LO-phonon absorption. We obtain firm data on scattering times which depend strongly on lattice temperature. They vary from 230 fs at room temperature to 900 fs at T=105 K. The experimental data are well reproduced by numerical calculations.

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530 Physik

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ISO 690KIM, A. M. T., Stefan HUNSCHE, Thomas DEKORSY, Heinrich KURZ, Klaus KÖHLER, 1996. Time-resolved study of intervalence band thermalization in a GaAs quantum well. In: Applied Physics Letters. 1996, 68(21), pp. 2956-2958. Available under: doi: 10.1063/1.116367
BibTex
@article{Kim1996Timer-9191,
  year={1996},
  doi={10.1063/1.116367},
  title={Time-resolved study of intervalence band thermalization in a GaAs quantum well},
  number={21},
  volume={68},
  journal={Applied Physics Letters},
  pages={2956--2958},
  author={Kim, A. M. T. and Hunsche, Stefan and Dekorsy, Thomas and Kurz, Heinrich and Köhler, Klaus}
}
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