Near-field optical observation of electric-field-induced fluorescence switching in laterally coupled quantum dots

被引：2
|
作者：
Yu, Young-Jun [1 ,2 ]
Noh, Haneol [1 ,2 ]
Jhe, Wonho [1 ,2 ]
Noh, Heung-Ryoul [3 ]
Nakaoka, Toshihiro [4 ]
Arakawa, Yasuhiko [4 ]
机构：
[1] Seoul Natl Univ, Ctr Nanoliquid, Seoul 151742, South Korea
[2] Seoul Natl Univ, Dept Phys & Astron, Seoul 151742, South Korea
[3] Chonnam Natl Univ, Dept Phys, Kwangju 500757, South Korea
[4] Univ Tokyo, Res Ctr Adv Sci & Technol, Tokyo 1538505, Japan
来源：
PHYSICAL REVIEW B | 2010年 / 82卷 / 08期
关键词：
SPECTROSCOPY; MOLECULES; SPHERES;
D O I：
10.1103/PhysRevB.82.085308
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We report on direct observation of spatial and optical luminescence switching (on and off condition) due to collapse of the coupling conditions of quantum dots (QDs) pair. In particular, one could observe that the relative intensities between two adjacent luminescence peaks and spatial images of individual QDs located closely nearby in a high-density self-assembled QD structure underwent a reversible change with respect to an external electric field.
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页数：5
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