Biexcitons in self-organized InAs/GaAs quantum dots:: an optical probe for structural properties

被引：3
|
作者：
Rodt, S [1 ]
Heitz, R [1 ]
Sellin, RL [1 ]
Schliwa, A [1 ]
Pötschke, K [1 ]
Bimberg, D [1 ]
机构：
[1] Tech Univ Berlin, Inst Festkorperphys, D-10623 Berlin, Germany
来源：
PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2004年 / 21卷 / 2-4期
关键词：
biexciton binding energy; quantum dots; InAs; Coulomb interaction;
D O I：
10.1016/j.physe.2003.11.185
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
For self-organized quantum dots (QDs) the biexciton binding energy depends strongly on the structural properties. It is demonstrated that even a reversal of the sign can occur for a given QDs ensemble. These findings are significant for single-photon emitters and quantum cryptography utilizing single QDs as it offers a way to the renormalization of the exciton/biexciton level system. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：1065 / 1069
页数：5
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