Modified Split-Step Fourier Method for Compensation of Nonlinear Fibre Impairments

被引：0
|
作者：
Rafique, Danish [1 ]
Mussolin, Marco [2 ]
Forzati, Marco
Martensson, Jonas [3 ]
Chugtai, Mohsan N. [3 ]
Ellis, Andrew D. [1 ]
机构：
[1] Univ Coll Cork, Tyndall Natl Inst, Photon Syst Grp, Cork, Ireland
[2] Univ Padua, Dept Informat Engn, I-35100 Padua, Italy
[3] Acreo Netlab, Kista, Sweden
来源：
2011 13TH INTERNATIONAL CONFERENCE ON TRANSPARENT OPTICAL NETWORKS (ICTON) | 2011年
基金：
爱尔兰科学基金会;
关键词：
Coherent communications; Kerr nonlinearity; digital signal processing; advanced modulation formats; nonlinear optics; DIGITAL COHERENT RECEIVER; ELECTRONIC POSTCOMPENSATION; TRANSMISSION; BACKPROPAGATION;
D O I：
暂无
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：
In this paper, we investigate a modified split-step Fourier method to enable computationally-efficient digital nonlinearity compensation for a coherently-detected 112 Gb/s polarization multiplexed quadrature phase shifted keying transmission over a 1,600 km link (20x80 km) with no inline compensation. We report up to 80% reduction in required stages to perform nonlinear compensation, in comparison to the conventional back-propagation algorithm. This method takes into account the correlation between adjacent symbols at a given instant using a weighted-average approach to enable practical digital nonlinearity compensation.
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页数：4
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