DENSITY-DEPENDENT EXCITON RADIATIVE LIFETIMES IN GAAS QUANTUM-WELLS

被引：71
|
作者：
ECCLESTON, R
FEUERBACHER, BF
KUHL, J
RUHLE, WW
PLOOG, K
机构：
[1] Max-Planck-Institut fur Festkorperforschung, 7000 Stuttgart 80
来源：
PHYSICAL REVIEW B | 1992年 / 45卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.45.11403
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Resonant photoexcitation of a predominately homogeneously broadened exciton line in a GaAs quantum well results in a nonexponential time-resolved photoluminescence decay transient due to the decrease in the exciton-exciton scattering contribution to the homogeneous linewidth, GAMMA(h), as the exciton population decays. This result confirms the theoretically predicted relationship between the exciton radiative recombination lifetime and the homogeneous linewidth (and coherence area) of the exciton state.
引用
收藏
页码：11403 / 11406
页数：4
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