Population Swap of a Pair of Quantum Dots Coupling to a Plasmonic Nanocavity

被引：5
|
作者：
Li Jian-Bo [1 ,2 ]
Cheng Mu-Tian [3 ]
Yang Zhong-Jian [1 ,2 ]
Hao Zhong-Hua [1 ,2 ]
机构：
[1] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China
[2] Wuhan Univ, Key Lab Acoust & Photon Mat & Devices, Minist Educ, Wuhan 430072, Peoples R China
[3] Anhui Univ Technol, Sch Elect Engn & Informat, Maanshan 243002, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2009年 / 26卷 / 11期
关键词：
HYBRID EXCITONS; CDTE NANOWIRES; NANOPARTICLES; SUPERSTRUCTURES; ENHANCEMENT; RESONANCE; EMISSION;
D O I：
10.1088/0256-307X/26/11/113202
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We theoretically design a single-mode plasmonic ring nanocavity. Based on the plasmonic cavity, the exciton dynamics between two identical quantum dots (QD-p, QD-q) coupled to the nanocavity are investigated. It is shown that the coupling factors g(i) (i - p, q) between QD-i and surface plasmons are both equal to 12.53meV in our model and exciton population swap between the two QDs can be realized. The periods and amplitudes of population oscillations can be modified by the coupling factors. Our results may have potential applications in quantum information and quantum computation on a chip.
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页数：4
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