中国光学2023，Vol.16Issue(3)：733-742,10.DOI:10.37188/CO.EN.2022-0016
可提升被动锁模光纤激光器计算效率的分步傅里叶全局误差局部能量法
SSFM-global-error-local-energy method for improving computational efficiency of passively mode-locked fiber laser
摘要
Abstract
We propose a method for improving the computational efficiency of passively mode-locked fiber laser,which is composed by Symmetric Split-step Fourier Method(SSFM)and the Global-Error-Local-En-ergy(GELE)method for solving propagating equations.Our proposed method relies on the limitation of loc-al energy increment related with global error within a certain value to control the selection of step size.This method has advantage of an automatic step adjustment mechanism.To achieve the same order of computa-tion accuracy,the computational time of our method is 255 s,while SSFM with small constant step size method needs to calculate 3855 s.The computational time of our proposed method is one or two orders of magnitude less than that of the SSFM,which indicates our method can enhance the computational efficiency by a factor up to 10.It could be expanded with high-order algorithms,such as the fourth-order Runge-Kutta in the interaction picture(RK4IP),Adams,predictor-corrector,etc.for improving the accuracy.关键词
锁模光纤激光器/耗散孤子/分步傅里叶法/自适应方法Key words
mode-locked fiber laser/dissipative soliton/split-step Fourier method/adaptive method分类
信息技术与安全科学引用本文复制引用
严润彬,何晓颖,张川,张银东,饶岚..可提升被动锁模光纤激光器计算效率的分步傅里叶全局误差局部能量法[J].中国光学,2023,16(3):733-742,10.基金项目
中央高校基本科研专项资金(No.2021RC05) （No.2021RC05）
国家自然科学基金(No.61675046,No.61935005)Supported by Foundamental of Research Funds for the Centre Universities(No.2021RC05) （No.61675046,No.61935005）
National Natural Science Foundation of China(No.61675046,No.61935005) （No.61675046,No.61935005）
