非简并光学参变振荡器的不稳定性研究  

Instabilities of Nondegenerate Optical Parametric Oscillator

作　　者：费佳[1] 郭奇志[1] 

机构地区：[1]上海大学理学院物理系,上海200444

出　　处：《光学学报》2009年第7期1930-1937,共8页Acta Optica Sinica

基　　金：上海市重点学科建设项目(S30105)资助课题

摘　　要：通过求得非简并光学参变振荡器的稳态解及特征值,研究了在共振与失谐两种情况下该系统的不稳定性。结果表明:共振时系统总是处于稳定状态,而有失谐时系统存在不稳定性。并通过数值模拟绘出共振情况下特征值随驱动场强度的变化曲线,及失谐时三个模量的输出信号随时间的变化情况。The steady-state solutions and eigenvalues of the nondegenerate optical parametric oscillator are obtained, and the instabilities of the system in both cases of resonance and non-zero detuning are investigated. The results show that the system is always in a steady state when there is resonating and it has instability when there is non-zero detuning. The evolution of eigenvalues versus input field amplitude portrayed by numerical simulation with no detuning, as well as the evolution of the three output modes versus time with non-zero detuning, are proposed.

关 键 词：非线性光学 不稳定性 失谐 非简并光学参变振荡器 

分 类 号：O437[机械工程—光学工程]