Ultrafast exciton spin relaxation in GaAs/AlGaAs and CdMnTe multiple quantum wells

Y. Takagi, S. Adachi, S. Takeyama, Atsushi Tackeuchi, S. Muto, J. J. Dubowski

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6 Citations (Scopus)

Abstract

We report on the direct observation of ultrafast spin relaxation of both the heavy-hole and the light-hole excitons in GaAs/AlGaAs multiple quantum wells (MQW) at room temperature using the femtosecond absorption bleaching detection. Also, we report on the time-resolved reflection measurements in CdMnTe MQW. A vareity of polarization-dependent and wavelength-dependent time profiles are observed in the picosecond time region.

Original languageEnglish
Pages (from-to)202-205
Number of pages4
JournalJournal of Luminescence
Volume58
Issue number1-6
DOIs
Publication statusPublished - 1994
Externally publishedYes

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ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Atomic and Molecular Physics, and Optics

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