Joint Carrier-Phase and Polarization Rotation Recovery for Arbitrary Signal Constellations

被引：7
|
作者：
Louchet, Hadrien [1 ]
Kuzmin, Konstantin [2 ]
Richter, Andre [1 ]
机构：
[1] VPIphotonics, D-10587 Berlin, Germany
[2] VPI Dev Ctr, Minsk 220002, BELARUS
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2014年 / 26卷 / 09期
关键词：
Coherent; digital signal processing; dual-polarization; four-dimensional; optical transmission; QAM;
D O I：
10.1109/LPT.2014.2310500
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 introduce a framework where the combined impact of phase noise and fast polarization rotation can be described by a rotation in a four-dimensional space. Based on this outcome, we propose an equalization scheme performing joint carrier-phase and polarization rotation recovery that can be applied to arbitrary two-or four-dimensional signal constellations. After discussing practical implementation issues for this scheme, we show by means of numerical simulations that the performance of the proposed scheme is comparable with state-of-the-art equalization algorithms for the DP-QPSK, PS-QPSK, and 4D-32QAM modulation formats.
引用
收藏
页码：922 / 924
页数：3
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