Electron-Nuclear Spin Polarization Dynamics in InGaAs Quantum Dots

被引：0

作者：

Verbin, S. Yu. ^{[1
,2
]}

Cherbunin, R. V. ^{[1
,2
]}

Ignatiev, I. V. ^{[1
,2
]}

Auer, T. ^{[2
]}

Yakovlev, D. R. ^{[2
]}

Bayer, M. ^{[2
]}

Reuter, D. ^{[3
]}

Wieck, A. D. ^{[3
]}

机构：

[1] St Petersburg State Univ, Fac Phys, Ulyanovskaya 1, St Petersburg 198054, Russia

[2] Tech Univ Dortmund, Inst Expt Phys 2, D-44221 Dortmund, Germany

[3] Ruhr Univ Bochum, Angew Festkorperphys, D-44780 Bochum, Germany

来源：

PHYSICS OF SEMICONDUCTORS | 2009年 / 1199卷

基金：

美国国家科学基金会;

关键词：

Nuclear spin; optical orientation;

D O I：

10.1063/1.3295465

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Dynamics of nuclear spin polarization by optically oriented electrons in an (In,Ga)As/GaAs quantum dot ensemble is studied. At the initial polarization stage, the effective nuclear field rises at rates from units to hundreds of T/s going from weak to strong excitation. When it reaches the strength of a few tens of mT, the further rise is drastically slowed down.

引用

页码：389 / 390

页数：2

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