摘要
在考虑光纤损耗的情况下,从理论上推导出饱和非克尔光纤中自相位调制效应产生啁啾的解析表达式。利用数值方法计算了饱和非克尔光纤反常色散区中啁啾演变过程。研究结果表明:饱和非克尔光纤中的啁啾与饱和参数、初始啁啾有关;饱和非线性效应越强,啁啾越小;适当选择初始啁啾,会使饱和非克尔光纤中净啁啾等于零。
Taken into account the fiber loss we derive an analytic expression of the self phase modulation induced chirp in non kerr like optical fibers with saturable nonlinarity.The procedure of the chirp evolution in the fiber is simulated by numerical methods.The studied results show that the chirp depends on saturable parameter and the initial chirp,the more powerful saturable effects ,the smaller is chirp;if the initial chirp is choosed reasonably the net chirp equals to zero.
出处
《激光与红外》
CAS
CSCD
北大核心
1999年第2期119-121,125,共4页
Laser & Infrared
基金
内蒙古自然科学基金
关键词
饱和非克尔光纤
啁啾演变
光纤损耗
non kerr like optical fibers with saturable nonlinarity,chirp evolution, fiber loss.