Subnanosecond spectral diffusion of a single quantum dot in a nanowire

被引：40

作者：

Sallen, G. ^{[1
]}

Tribu, A. ^{[2
]}

Aichele, T. ^{[3
]}

Andre, R. ^{[1
]}

Besombes, L. ^{[1
]}

Bougerol, C. ^{[1
]}

Richard, M. ^{[1
]}

Tatarenko, S. ^{[1
]}

Kheng, K. ^{[2
]}

Poizat, J. -Ph ^{[1
]}

机构：

[1] Univ Grenoble 1, CNRS, Inst Neel, CEA CNRS UJF Grp Nanophys & Semicond, F-38042 Grenoble, France

[2] CEA INAC SP2M, CEA CNRS UJF Grp Nanophys & Semicond, F-38054 Grenoble, France

[3] Humboldt Univ, Inst Phys, Berlin, Germany

来源：

PHYSICAL REVIEW B | 2011年 / 84卷 / 04期

关键词：

SPECTROSCOPY; EXCITONS;

D O I：

10.1103/PhysRevB.84.041405

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have studied spectral diffusion of the photoluminescence of a single CdSe quantum dot inserted in a ZnSe nanowire. We have measured the characteristic diffusion time as a function of pumping power and temperature using a recently developed technique [G. Sallen et al., Nat. Photon. 4, 696 (2010)] that offers subnanosecond resolution. These data are consistent with a model where only a single carrier wanders around in traps located in the vicinity of the quantum dot.

引用

页数：4

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