【摘要】 研究了开放的Λ型无粒子数反转激光系统中原子响应的时间演化规律 ,阐明了该系统产生无粒子数反转光放大的机制 .发现开放系统中原子响应的时间演化特征与封闭系统有显著的差别 .认为时间演化过程中振荡频率的改变和振荡的非谐性来源于系统中原子振子的随机相干性 .更多还原

【Abstract】 We study the law of time evolution of atomic response in an open Λ\|type inversionless lasing system,elucidate the light amplification mechanism without inversion,and find that the character of the time evolution of atomic response in an open system is obviously different from that in a corresponding closed system. We consider that the variation of the oscillation frequency and anharmonic oscillation in the process of time evolution originate from the stochastic coherence property of atom oscillators in the system.更多还原