Data-Aided Chromatic Dispersion Estimation for Polarization Multiplexed Optical Systems

被引：16
|
作者：
Do, Cuong C. [1 ]
Tran, An V. [1 ]
Zhu, Chen [1 ]
Chen, Simin [1 ]
Anderson, Trevor [1 ]
Hewitt, Don [1 ]
Skafidas, Efstratios [1 ]
机构：
[1] Univ Melbourne, Dept Elect & Elect Engn, NICTA Ltd, Victoria Res Lab, Melbourne, Vic 3010, Australia
来源：
IEEE PHOTONICS JOURNAL | 2012年 / 4卷 / 05期
关键词：
Chromatic dispersion (CD); data aided; channel estimation;
D O I：
10.1109/JPHOT.2012.2222365
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We propose a full transmission link chromatic dispersion (CD) estimation technique for polarization-multiplexed coherent optical single carrier system using dataaided channel estimation and least square quadratic fit. New training sequences based on Chu sequence and Golay complementary pair are designed and compared for estimation performance against the ideal full-level Chu sequence for both QPSK and 16-QAM systems. The proposed technique is demonstrated in a 40-Gb/s coherent polarization multiplexed optical system over 2080-km fiber transmission for QPSK format and 80-Gb/s system over 1800-km fiber for 16-QAM format to verify its accurate and robust estimation performance.
引用
收藏
页码：2037 / 2049
页数：13
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