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The statistic properties of photon emissions from single semiconductor quantum dots with V-type leveldriven by pulses are investigated theoretically.Based on quantum regression theorem and master equations,the dynamicequations of the second-order correlation function of the photon emissions are deduced.The calculated results reveal thatthe efficiency of single photon emissions from two orthogonal polarization eigenstates(|x〉and |y〉)reaches the maximumwhen the input pulses area is about π,and the probability of the cross-polarized single photon emission from |x〉and |y〉decreases with increasing of pulse width.
The statistic properties of photon emissions from single semiconductor quantum dots with V-type leveldriven by pulses are already theoretically.Based on quantum regression theorem and master equations, the dynamicequations of the second-order correlation function of the photon emissions are deduced. reveal that the efficiency of single photon emissions from two orthogonal polarization eigenstates (| x> and | y>) reaches the maximum amplitude of the input pulses area is about π, and the probability of the cross-polarized single photon emission from | x> and | y > Decreases with increasing of pulse width.