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

页码：922 / 924

页数：3

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