Femtosecond dynamics of luminescence in optically excited semiconductors: Theory and simulation

被引：0
|
作者：
Hannewald, K [1 ]
Glutsch, S [1 ]
Bechstedt, F [1 ]
机构：
[1] Univ Jena, Inst Festkorpertheorie & Theoret Opt, D-07743 Jena, Germany
来源：
PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 2002年 / 190卷 / 03期
关键词：
D O I：
10.1002/1521-396X(200204)190:3<839::AID-PSSA839>3.0.CO;2-S
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We present a theory of time- and energy-resolved photoluminescence (PL) from semiconductors excited by femtosecond laser pulses. Our approach combines quantum kinetics of hot-carrier relaxation and quantum theory of spontaneous emission under consistent inclusion of Coulomb interaction. Model calculations show the transition from PL at the pump frequency via subsequent phonon replicas until the build-up of excitonic PL. We predict hot luminescence to be a sensitive measure of electron-LO-phonon quantum kinetics and bottleneck effects.
引用
收藏
页码：839 / 842
页数：4
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