Enhancing the Optical Excitation Efficiency of a Single Self-Assembled Quantum Dot with a Plasmonic Nanoantenna

被引：78

作者：

Pfeiffer, Markus ^{[2
,3
,4
]}

Lindfors, Klas ^{[2
,3
,4
]}

Wolpert, Christian ^{[2
,3
,4
]}

Atkinson, Paola ^{[1
]}

Benyoucef, Mohamed ^{[1
]}

Rastelli, Armando ^{[1
]}

Schmidt, Oliver G. ^{[1
]}

Giessen, Harald ^{[2
,4
]}

Lippitz, Markus ^{[2
,3
,4
]}

机构：

[1] IFW Dresden, Inst Integrat Nanosci, D-01069 Dresden, Germany

[2] Univ Stuttgart, Inst Phys 4, D-70550 Stuttgart, Germany

[3] Max Planck Inst Solid State Res, D-70569 Stuttgart, Germany

[4] Univ Stuttgart, Res Ctr SCOPE, D-70550 Stuttgart, Germany

来源：

NANO LETTERS | 2010年 / 10卷 / 11期

关键词：

Nanoantenna; surface plasmon; epitaxial quantum dot; luminescence enhancement; FLUORESCENCE ENHANCEMENT;

D O I：

10.1021/nl102548t

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We demonstrate how the controlled positioning of a plasmonic nanoparticle modifies the photoluminescence of a single epitaxial GaAs quantum dot. The antenna particle leads to an increase of the luminescence intensity by about a factor of 8. Spectrally and temporally resolved photoluminescence measurements prove an increase of the quantum dot's excitation rate.

引用

页码：4555 / 4558

页数：4

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