摘要We report on the single photon emission from single InAs/GaAs self-assembled Stranski--Krastanow quantum dots up to 80K under pulsed and continuous wave excitations. At temperature 80K, the second-order correlation function at zero time delay, g(2)(0), is measured to be 0.422 for pulsed excitation. At the same temperature under continuous wave excitation, the photon antibunching effect is observed. Thus, our experimental results demonstrate a promising potential application of self-assembled InAs/GaAs quantum dots in single photon emission at liquid nitrogen temperature.
Abstract：We report on the single photon emission from single InAs/GaAs self-assembled Stranski--Krastanow quantum dots up to 80K under pulsed and continuous wave excitations. At temperature 80K, the second-order correlation function at zero time delay, g(2)(0), is measured to be 0.422 for pulsed excitation. At the same temperature under continuous wave excitation, the photon antibunching effect is observed. Thus, our experimental results demonstrate a promising potential application of self-assembled InAs/GaAs quantum dots in single photon emission at liquid nitrogen temperature.
DOU Xiu-Ming;SUN Bao-Quan;CHANG Xiu-Ying;XIONG Yong-Hua;HUANG She-Song;NI Hai-Qiao;NIU Zhi-Chuan. Single-Photon Emission at Liquid Nitrogen Temperature from a Single InAs/GaAs Quantum Dot[J]. 中国物理快报, 2008, 25(9): 3231-3233.
DOU Xiu-Ming, SUN Bao-Quan, CHANG Xiu-Ying, XIONG Yong-Hua, HUANG She-Song, NI Hai-Qiao, NIU Zhi-Chuan. Single-Photon Emission at Liquid Nitrogen Temperature from a Single InAs/GaAs Quantum Dot. Chin. Phys. Lett., 2008, 25(9): 3231-3233.
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2008, Vol. 25 
