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一种新的自适应偏振模色散补偿前馈方法 被引量：3

A Novel Feed-Forward Adaptive Polarization Mode Dispersion Compensation Method
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摘要 提出了一种新偏振模色散(PMD)补偿的方法,直接从被补偿光纤中提取偏振色散矢量的大小和方向信息,根据算法调节偏振模色散补偿器的各参量,使得补偿器的快轴与被补偿光纤的慢轴对准,从而使得偏振模色散得到补偿。这种方法的优点是减少了搜索的自由度。建立了40 Gb/s偏振模色散前馈补偿系统,并通过数值模拟,对40 Gb/s的非归零(NRZ)码的偏振模色散进行了自适应补偿。通过对补偿前后的眼图、偏振度(DOP)和Q值进行对比和分析,结果表明,这种偏振模色散补偿的前馈方法是非常有效的。 A novel feed forward technique, which characterizes first-order polarization mode dispersion （PMD） and aligns it to a compensator, is proposed with stable, real time compensation performance and reducing the searching freedom degrees compared to feed back scheme. A feed forward adaptive PMD compensation system is founded to compensate 40-G-b/s PMD for nonretrun to-zero （NRZ）, the eye diagrams, degree of polarization （DOP） and Q value for NRZ before and after compensation are compared and analyzed by numerical emulation. The results by numerical emulation show that this method is very effective in compensating PMD.
作者 陈林 徐江荣 杨伯君 张晓光 张茹 于丽
机构地区 湖南大学计算机与通信学院 杭州电子科技大学理学院 北京邮电大学理学院
出处 《中国激光》 EI CAS CSCD 北大核心 2005年第9期1225-1229,共5页 Chinese Journal of Lasers
基金 国家863计划项目(2001AA122041) 国家自然科学基金(6007204)资助项目
关键词 光通信 偏振模色散 自适应偏振模色散补偿 偏振度 前馈 optical communication polarization mode dispersion adaptive polarization mode dispersion compensation degree of polarization feed-forward
分类号 TN929.11 [电子电信—通信与信息系统]
  • 相关文献

参考文献14

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  • 2D. Sobiski. D. Pikula. J. Smith et al.. Fast first order PMD compensation with low insertion loss for 10 Git s system [J].Electron. Lett. , 2001, 37(1):46-48.
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二级参考文献22

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共引文献12

同被引文献17

  • 1张晓光,于丽,郑远,沈昱,周光涛,席丽霞,陈林,张建忠,苑铁成,杨伯君.可补偿二阶偏振模色散的两级自适应补偿器研究[J].中国激光,2004,31(11):1391-1397. 被引量：1
  • 2张璐,许远忠,胡强高,赵圣之,刘水华.偏振模色散动态补偿中色度色散影响的研究[J].光学学报,2005,25(7):869-874. 被引量：2
  • 3李朝阳,郑远,杨伯君,张晓光.2.5Gb/s偏振模色散自动补偿对偏振模色散容限值的影响[J].中国激光,2006,33(4):489-492. 被引量：1
  • 4王戈,李康,孔繁敏.单模光纤中椭圆双折射下偏振模色散特性研究[J].激光技术,2006,30(5):465-468. 被引量：9
  • 5I.Fatadin,S.J.Savory,D.Ives.Compensation of quadrature imbalance in an optical QPSK coherent receiver[J].IEEE Photon.Technol.Lett.,2009,20(20):1733-1735.
  • 6D.S.Ly-Gagnon,S.Tsukamoto,K.Katoh et al..Coherent detection of optical quadrature phase-shift keying signals with carrier phase estimation[J].J.Lightwave Technol.,2006,24(1):12-21.
  • 7T.Pfau,S.Hoffmann,R.Noe et al..Coherent optical communication:towards realtime systems at 40 Gbit/s and beyond[J].Opt.Express,2008,16(2):866-872.
  • 8D.van den Borne,S.L.Jansen,H.de Waardt et al..DQPSK modulation for robust optical transmission[C].OFC/NFOEC Conference and Exposition (OFC/NFOEC),San Diego,California USA,2008:OMQ1.
  • 9Han Sun,Kuang-Tsan Wu,Kim Robers.Real-time measurement of a 40 Gb/s coherent system[J].Opt.Express,2008,16(2):873-879.
  • 10A.Leven,N.Kaneda,Young-Kai Chen.A real-time CMA-based 10 Gb/s polarization demultiplexing coherent receiver implemented in an FPGA[C].OFC/NFOEC Conference and Exposition (OFC/NFOEC),San Diego,California USA,2008:OTuO2.

引证文献3

二级引证文献14

中国激光
2005年 第9期

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