In this paper, we discuss the emission photon statistics of V-type three-level single molecule with permanent dipoles, which driven by continuous laser and electric radio frequency (rf) fields, via the generating function method developed recently. The average emission photon numbers < N>, lineshapes and the Mandel's Q parameters are studied at different detuning frequency and rf strength (internsity). The waiting time distribution w(t) is also studied. The results demonstrate that the emission photon statistical properties is strongly affected by the laser frequency and rf strength (intensity), in the other hand, we can control the emission photons through the external field.%用最近发展的产生函数(Generating Function)方法,研究了在连续激光场和射频场作用下存在固有偶极矩的V型三能级单分子体系发射光子的统计性质.主要讨论了不同激光场强度和不同射频场,激光场失谐频率对系统平均发射光子数〈N〉,线型Ⅰ和Mandel Q参数的影响,以及射频场对系统发射光子等待时间分布w(t)的影响等.结果表明:外加激光场和射频场对单分子发射光子都具有很好的调控作用,可以选择合适的激光场参数和射频场参数来操纵单分子发射光子.
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