Spectral diffusion of the exciton transition in a single self-organized quantum dot

被引：102
|
作者：
Seufert, J [1 ]
Weigand, R
Bacher, G
Kümmell, T
Forchel, A
Leonardi, K
Hommel, D
机构：
[1] Univ Wurzburg, D-97074 Wurzburg, Germany
[2] Univ Bremen, Inst Festkorperphys, D-28359 Bremen, Germany
来源：
APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 14期
关键词：
D O I：
10.1063/1.126196
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report on reversible spectral shifts in the emission spectra of self-organized CdSe single quantum dots on a time scale of seconds. Energy shifts of up to 3.5 meV have been observed and can be attributed to the Stark effect caused by fluctuating local electric fields. Most surprisingly, the energy shift turns out to be quasi-periodic with time constants between 70 and 190 s. (C) 2000 American Institute of Physics. [S0003-6951(00)00614-8].
引用
收藏
页码：1872 / 1874
页数：3
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