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

Y. Takagi; S. Adachi; S. Takeyama; A. Tackeuchi; S. Muto; J. J. Dubowski

doi:10.1016/0022-2313(94)90396-4

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

Y. Takagi^*, S. Adachi, S. Takeyama, A. Tackeuchi, S. Muto, J. J. Dubowski

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

7 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 language	English
Pages (from-to)	202-205
Number of pages	4
Journal	Journal of Luminescence
Volume	58
Issue number	1-6
DOIs	https://doi.org/10.1016/0022-2313(94)90396-4
Publication status	Published - 1994 Jan
Externally published	Yes

ASJC Scopus subject areas

Biophysics
Biochemistry
Chemistry(all)
Atomic and Molecular Physics, and Optics
Condensed Matter Physics

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10.1016/0022-2313(94)90396-4

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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.",

author = "Y. Takagi and S. Adachi and S. Takeyama and A. Tackeuchi and S. Muto and Dubowski, {J. J.}",

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AU - Takagi, Y.

AU - Adachi, S.

AU - Takeyama, S.

AU - Tackeuchi, A.

AU - Muto, S.

AU - Dubowski, J. J.

PY - 1994/1

Y1 - 1994/1

N2 - 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.

AB - 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.

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JO - Journal of Luminescence

JF - Journal of Luminescence

IS - 1-6

ER -

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

Abstract

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