Second-Order Correlation Function of the Photon Emission from a Single Quantum Dot

Chin. Phys. Lett.

2005, Vol. 22

Issue (11): 2960-2962 DOI:

Original Articles

Second-Order Correlation Function of the Photon Emission from a Single Quantum Dot

LI Yao-Yi;CHENG Mu-Tian;ZHOU Hui-Jun;LIU Shao-Ding;WANG Qu-Quan

Department of Physics, Wuhan University, Wuhan 430072

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LI Yao-Yi, CHENG Mu-Tian, ZHOU Hui-Jun et al 2005 Chin. Phys. Lett. 22 2960-2962

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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 In_0.5Ga_0.5As 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.

Keywords: 78.67.Hc 42.50.Dv 78.55.Cr

Published: 01 November 2005

PACS:	78.67.Hc	(Quantum dots)
	42.50.Dv	(Quantum state engineering and measurements)
	78.55.Cr	(III-V semiconductors)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2005/V22/I11/02960

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	LI Yao-Yi
	CHENG Mu-Tian
	ZHOU Hui-Jun
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	WANG Qu-Quan

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