Impact of spin blocking on the energy relaxation of electrons in quantum-dot lasers

被引：3
|
作者：
Cao, C [1 ]
Deppe, DG [1 ]
机构：
[1] Univ Texas, Dept Elect & Comp Engn, Microelect Res Ctr, Austin, TX 78712 USA
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 15期
关键词：
D O I：
10.1063/1.1705729
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The impact of the electron spin relaxation time on the electron distribution in quantum-dot lasers is analyzed. The results show that a relatively long spin relaxation time (similar to300 ps) can create a nonequilibrium carrier distribution in quantum-dot lasers. It is shown that a mechanism we call "spin blocking" increases emission from the quantum-dot excited states and can lead to excited state lasing in quantum-dot lasers. (C) 2004 American Institute of Physics.
引用
收藏
页码：2736 / 2738
页数：3
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