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10Gb/s和40Gb/s RZ-DPSK电预失真系统中非线性效应的研究
  • ISSN号：1005-0086
  • 期刊名称：《光电子．激光》
  • 时间：0
  • 分类：TN929.11[电子电信—通信与信息系统;电子电信—信息与通信工程]
  • 作者机构：[1]北京邮电大学信息与通信工程学院,北京100876
  • 相关基金：国家自然科学基金资助项目（60932004）; 国家“863”计划资助项目（2009AA01Z253 2009AA01A345 2009AA01Z256）; 国家“973”计划（2007CB310705）
作者： 赵源[1], 乔耀军[1], 纪越峰[1]
关键词： 光纤通信, 非线性效应, 电预失真(EPD), optical fiber communication, nonlinearity, electrical pre-distortion（EPD）
中文摘要：

通过仿真研究了10和40Gb/s RZ-DPSK电预失真（EPD）系统中的自相位调制（SPM）和交叉相位调制（XPM）等非线性效应。EPD系统中的非线性效应比光色散补偿（ODC）中的大,但在不同比特率下非线性效应不同。对800km标准单模光纤（SSMF）传输的仿真的结果表明：单信道传输时受到SPM影响,比特率为10Gb/s的EPD系统的非线性阈值比ODC系统的小6dBm以上,而当比特率为40Gb/s时的EPD系统非线性阈值只比ODC系统小2dBm。波分复用（WDM）系统中受到SPM和XPM的影响,比特率为10Gb/s的EPD系统的非线性阈值比ODC系统的小6dBm,而比特率为40Gb/s时的EPD系统非线性阈值比ODC系统的小2dBm。研究结果表明,当比特率升高时,EPD系统的非线性效应减弱。

英文摘要：

The fiber nonlinearities of self-phase modulation（SPM） and cross-phase modulation（XPM） in 40 Gb/s and 10 Gb/s return to zero differential phase shift keying（RZ-DPSK） electrical pre-distortion （EPD） systems are studied by simulations.Nonlinearity in EPD system is more severe than that in optical dispersion compensation（ODC） system,but the degree differs depending on the bit rate.Simulation results of 800 km transmission over a standard single mode fiber（SSMF） show that in the single channel transmission influenced by SPM,at 10 Gb/s the nonlinearity threshold of EPD system is more than 6 dBm lower than that of ODC system,while at 40 Gb/s,the nonlinearity threshold of EPD system is reduced by 2 dBm compared with that of 10 Gb/s system.In the wavelength division multiplexing（WDM） transmission affected by SPM and XPM,at 10 Gb/s,the nonlinearity threshold of EPD system is 6dBm lower than that of ODC system,while at 40 Gb/s,the nonlinearity threshold of EPD system is reduced by 2 dBm compared with that of ODC system.The results indicate that with higher bit rate,the nonlinearity in EPD system becomes less severe.

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期刊信息
  • 《光电子．激光》
  • 北大核心期刊（2011版）
  • 主管单位:天津市教育委员会
  • 主办单位:天津理工大学 中国光学学会
  • 主编：巴恩旭
  • 地址：天津市西青区宾水西道391号
  • 邮编：300384
  • 邮箱：baenxu@263.net baenxu@aliyun.com
  • 电话：022-60214470
  • 国际标准刊号：ISSN：1005-0086
  • 国内统一刊号：ISSN：12-1182/O4
  • 邮发代号:6-123
  • 获奖情况:
  • 中国期刊方阵“双效”期刊
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰文摘与引文数据库,美国工程索引,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,中国北大核心期刊（2000版）
  • 被引量:16551