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IP over WDM网络中动态IP流量对非线性效应的影响 被引量：2

Influence of Dynamic IP Traffic on the Combined Nonlinear Effects in IP over WDM Networks
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摘要 研究了IP over WDM网络中IP业务流量的突发性对底层光脉冲传输的影响。突发的IP业务流量使WDM网络中传输信号的信道数目服从泊松分布,在非线性薛定谔方程(NLSE)的基础上进行IP流量分析,通过数值计算,考查了IP业务流量对四波混频(FWM)和交叉相位调制(XPM)的综合影响,得到了不同输入光功率、不同流量负荷下的眼图。结果表明,40信道的WDM网络中,当输入信号光功率大于5 dBm时,IP流量负荷的改变将会对网络性能产生剧烈的影响。同时,通过公式计算出FWM功率、比特误码率与输入光功率、流量负荷、信道间隔的关系,突出强调了不同信道分布对探测信道FWM效应的不同影响。 The influence of IP bursty traffic on combined nonlinear effects of cross phase modulation（XPM） and four-wave mixing（FWM） in IP over WDM networks is investigated by analyzing the Poisson distributed IP traffic based on the nonlinear Schrdinger equation（NLSE）.Taken combined nonlinear effects into account,at the receiver,different eye diagrams with different input light powers and different IP traffic loads are obtained.From the numerical calculation results,when the input light power per channel is bigger than 5 dBm with 40 channels of WDM networks,the effect of IP bursty traffic will distort eye diagrams drastically.Furthermore we figure out the FWM power with different IP traffic loads,different input light powers and frequency spacings.FWM power with different wavelength settings is especially emphasized.From the FWM power distribution,we could quantitatively analyze which channels cross the probe channel seriously through FWM effect.
作者 梅君瑶 何舟 王传彪 李蔚
机构地区 华中科技大学武汉光电国家实验室 武汉邮电科学研究院光纤通信技术和网络国家重点实验室(筹)
出处 《中国激光》 EI CAS CSCD 北大核心 2010年第7期1777-1783,共7页 Chinese Journal of Lasers
基金 国家自然科学基金(60772013) 国家973计划(2010CB328300 2010CB328305)资助课题
关键词 IP over WDM网络 IP业务流量 四波混频噪声功率 交叉相位调制 眼图 IP over WDM networks IP traffic four-wave mixing noise power cross phase modulation eye diagrams
分类号 O437 [机械工程—光学工程] TN915 [电子电信—通信与信息系统]
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参考文献14

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二级参考文献47

共引文献22

同被引文献18

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中国激光
2010年 第7期

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