光学学报, 2001, 21 (3): 257, 网络出版: 2006-08-10
加性噪声对激光一级相变类比的影响
Effects of Additive Noise on First-Order-Like Phase Transition in a Laser System
摘要
从单模激光场的增益噪声模型出发,导出了激光场定态强度分布函数,研究了定态分布函数的极值点随加性噪声、乘性噪声和注入信号的变化情况。结果表明,乘性噪声是使激光系统出现一级相变类比的关键因素,注入信号使相变行为减弱,而加性噪声却使得定态分布中极值点的数量和位置出现来回跳跃式变化。
Abstract
The steady state intensity distribution function is derived from a single mode gain-noise laser model. The extrema of the steady state distribution function is investigated as the additive noise, multiplicative noise and injected signal are changing. It is shown that the multiplicative noise plays a key rule in the first-order-like phase transition in a laser system. The injected signal can reduce the phase transition. The additive noise causes the number and locations of the extrema in the steady state distribution function jumping back and forth.
胡静, 朱士群. 加性噪声对激光一级相变类比的影响[J]. 光学学报, 2001, 21(3): 257. 胡静, 朱士群. Effects of Additive Noise on First-Order-Like Phase Transition in a Laser System[J]. Acta Optica Sinica, 2001, 21(3): 257.