Quantum-kinetic theory of hot luminescence from pulse-excited semiconductors

被引：20

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：

PHYSICAL REVIEW LETTERS | 2001年 / 86卷 / 11期

关键词：

D O I：

10.1103/PhysRevLett.86.2451

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A theory of time-resolved luminescence from photoexcited semiconductors is presented. It combines quantum kinetics of hot-carrier relaxation and quantum theory of spontaneous emission. Model calculations show the "transfer" of photoluminescence from the initial signal at the pump frequency via subsequent phonon replicas until the buildup of luminescence at the excitonic resonance. Time-resolved photoluminescence is predicted to be a sensitive measure of electron-LO-phonon quantum kinetics and bottleneck effects.

引用

页码：2451 / 2454

页数：4

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