Dynamic evolution of spatiotemporally localized electronic wave packets in semiconductor quantum wells

被引：41

作者：

Steininger, F ^{[1
]}

Knorr, A ^{[1
]}

Stroucken, T ^{[1
]}

Thomas, P ^{[1
]}

Koch, SW ^{[1
]}

机构：

[1] UNIV MARBURG,CTR MAT SCI,D-35032 MARBURG,GERMANY

来源：

PHYSICAL REVIEW LETTERS | 1996年 / 77卷 / 03期

关键词：

D O I：

10.1103/PhysRevLett.77.550

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

For spatially and temporally localized laser excitation of a semiconductor quantum well qualitatively different behavior is predicted assuming resonant exciton or interband excitation conditions. Whereas the dynamic evolution of an excitonic distribution always consists of a spatial broadening, optical excitation above the band edge creates electron-hole wave-packets that propagate pulselike through the medium.

引用

页码：550 / 553

页数：4

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