Second-order correlation function of the photon emission from a single quantum dot

被引：0
作者：
Li, YY [1 ]
Cheng, MT [1 ]
Zhou, HJ [1 ]
Liu, SD [1 ]
Wang, QQ [1 ]
机构：
[1] Wuhan Univ, Dept Phys, Wuhan 430072, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2005年 / 22卷 / 11期
关键词：
D O I：
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中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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 In(0.5)Ga(0.5)s 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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页码：2960 / 2962
页数：3
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