Kerr系数随机扰动下孤子色散管理传输研究  

Investigation for the Interaction of Solitons and Their Dispersion-managed Transmission under Kerr Coefficient Distributing Randomly

作　　者：汪仲清[1] 刘兴[1] 戴笠[1] 

机构地区：[1]重庆邮电大学光电工程学院,重庆400065

出　　处：《半导体光电》2008年第4期553-557,共5页Semiconductor Optoelectronics

基　　金：重庆市自然科学基金资助项目(CSTC;2006BB2361)

摘　　要：从描述孤子传输的修正非线性薛定谔方程出发,利用对称分步傅里叶方法,在伴随Kerr系数随机扰动的色散位移光纤中,对孤子间的相互作用及其色散管理传输进行了数值研究。结果表明,普通孤子在Kerr系数随机扰动下的传输特性被严重恶化,而色散管理孤子传输几乎不受Kerr系数随机扰动的影响,且孤子之间的相互作用得到了很好的抑制。Based on the modified nonlinear Schrodinger equation expressing the solitons＇ transmission, studied are the interaction of Solitons and their dispersion-managed transmission in dispersion-shifted fibers under Kerr coefficient distributing randomly by making use of symmetrical slit-step Fourier numerical method. It is shown that the transmission properties of solitons are deteriorated, but the dispersion-managed solitons are hardly affected by random distribution of Kerr coefficient, and dispersion management can effectively inhibit the interaction between solitons.

关 键 词：色散管理孤子 非线性薛定谔方程 分步傅里叶方法 传输特性 光孤子通信 

分 类 号：TN929.11[电子电信—通信与信息系统]