Interferometric measurement in GaAs single quantum dots: Temperature dependence of exciton decoherence

被引：5

作者：

Kuroda, Keiji

Kuroda, Takashi

Sakoda, Kazuaki

Kido, Giyuu

Koguchi, Nobuyuki

机构：

[1] Natl Inst Mat Sci, Nanomat Labs, Tsukuba, Ibaraki 3050044, Japan

[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058577, Japan

[3] Tokyo Univ Sci, Dept Appl Phys, Shinjuku Ku, Tokyo 1628601, Japan

来源：

JOURNAL OF LUMINESCENCE | 2007年 / 122卷 / 789-791期

关键词：

GaAs/AlGaAs; single quantum dot; exciton; decoherence;

D O I：

10.1016/j.jlumin.2006.01.289

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We report single-photon interferometry of emissions from single self-assembled GaAs/(AI,Ga)As quantum dots. Homogeneous linewidth of excitons is deter-mined as a function of temperature from 4 to 50 K. Photoemissions from quantum dots are temporally resolved on picosecond time scale. We discuss the influence of local fields inside a barrier to the decoherence of excitons in quantum dots. (c) 2006 Elsevier B.V. All rights reserved.

引用

页码：789 / 791

页数：3

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