[1]常建华,张明德,孙小菡.光纤拉曼放大器传输方程快速计算方法的研究[J].东南大学学报(自然科学版),2003,33(6):712-716.[doi:10.3969/j.issn.1001-0505.2003.06.008]
 Chang Jianhua,Zhang Mingde,Sun Xiaohan.Research on a fast method for fiber Raman amplifier propagation equations[J].Journal of Southeast University (Natural Science Edition),2003,33(6):712-716.[doi:10.3969/j.issn.1001-0505.2003.06.008]
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光纤拉曼放大器传输方程快速计算方法的研究()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
33
期数:
2003年第6期
页码:
712-716
栏目:
信息与通信工程
出版日期:
2003-11-20

文章信息/Info

Title:
Research on a fast method for fiber Raman amplifier propagation equations
作者:
常建华 张明德 孙小菡
东南大学电子工程系,南京 210096
Author(s):
Chang Jianhua Zhang Mingde Sun Xiaohan
Department of Electronic Engineering, Southeast University, Nanjing 210096, China
关键词:
光纤拉曼放大器 多波长泵浦 瑞利散射 变步长的龙格-库塔法
Keywords:
fiber Raman amplifier multi-wavelength pumping Rayleigh scattering Runge-Kutta analysis with variable steps
分类号:
TN929.11
DOI:
10.3969/j.issn.1001-0505.2003.06.008
摘要:
基于龙格-库塔公式,本文提出了可变步长的龙格-库塔法用于计算多波长光纤拉曼放大器传输方程.该算法能够有效地求解泵浦、信号、噪声及其反向散射波.在计算过程中可以根据每一步的截断误差及精度要求合理地确定步长的大小,同时还可以通过调节精度、最大步长、最小步长来控制计算的速度.数值仿真结果显示该算法较普通的龙格-库塔法无论是在精度还是速度上均有较大的提高.该方法比较适合于实际系统优化设计.
Abstract:
A numerical analysis with variable steps for standard propagation equations of fiber Raman amplifiers with multiple wavelength pumps is presented and derived, for the first time based on Runge-Kutta formula.The proposed algorithm is very effective in solving Raman amplifier equations which include pumps, signals, noises, and their backscattering waves. Every step size can be decided according to local truncation error and the promised precision; additionally, the computing speed can be controlled by adjusting the precision to the maximum or minimum step size. Simulation results show that our proposed analysis can increase the precision and speed available in designing Raman amplifiers compared with a conventional Runge-Kutta analysis and can dramatically decrease the computing time with excellent accuracy.

参考文献/References:

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[1]王芳,夏林,王著元,等.一种宽带光纤拉曼放大器数值模拟的新算法[J].东南大学学报(自然科学版),2004,34(4):430.[doi:10.3969/j.issn.1001-0505.2004.04.003]
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备注/Memo

备注/Memo:
作者简介: 常建华(1976—),男,博士生, jianhuachang@seu.edu.cn; 张明德(联系人),男,教授,博士生导师,mdzhang@seu.edu.cn.
更新日期/Last Update: 2003-11-20