| Second-Order Correlation Function of the Photon Emission from a Single Quantum Dot |
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| 引用本文： | 李耀义 程木田 周慧君 刘绍鼎 王取泉. Second-Order Correlation Function of the Photon Emission from a Single Quantum Dot[J]. 中国物理快报, 2005, 22(11): 2960-2962 |
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| 作者姓名： | 李耀义 程木田 周慧君 刘绍鼎 王取泉 |
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| 作者单位： | Department of Physics, Wuhan University, Wuhan 430072 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 10474075. |
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| 摘 要： |
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| 关 键 词： | 半导体 量子点 光子散射 激励现象 交互作用 脉冲激励 |
| 收稿时间： | 2005-05-13 |
| 修稿时间： | 2005-05-13 |
Second-Order Correlation Function of the Photon Emission from a Single Quantum Dot |
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| LI Yao-Yi, CHENG Mu-Tian, ZHOU Hui-Jun, LIU Shao-Ding, WANG Qu-Quan. Second-Order Correlation Function of the Photon Emission from a Single Quantum Dot[J]. Chinese Physics Letters, 2005, 22(11): 2960-2962 |
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| Authors: | LI Yao-Yi CHENG Mu-Tian ZHOU Hui-Jun LIU Shao-Ding WANG Qu-Quan |
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| Abstract: | The photon correlation of photon emission from a single quantum dot with cw excitation and pulsed excitation is investigated in details. To calculate the second-order correlation function for optical pumping, we deduce rate equations with a simplified two-level model under cw excitation and present the master equation approach in the interaction picture to the study of evolution of a three-level system under pulsed excitation. In addition, we report photon correlation measurements on a single self-assembled In0.5Ga0.5As quantum dot, which show strong antibunching behaviour under both the conditions of cw and pulsed excitations. The calculated results are in agreement with the experimental measurements. |
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