Digital PDL Compensation in 3D Stokes Space

被引：46

作者：

Muga, Nelson J. ^{[1
,2
]}

Pinto, Armando Nolasco ^{[1
,2
]}

机构：

[1] Univ Aveiro, Dept Elect Telecommun & Informat, P-3810193 Aveiro, Portugal

[2] Campus Univ Santiago, Inst Telecomunicacoes, P-3810193 Aveiro, Portugal

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 2013年 / 31卷 / 13期

关键词：

Coherent detection; digital signal processing; fiber-optic communications; polarization demultiplexing; polarization-dependent losses; COHERENT OPTICAL RECEIVERS; POLARIZATION-SWITCHED QPSK; CONSTANT-MODULUS ALGORITHM; EQUALIZATION; TRANSMISSION; MODULATION; SYSTEMS; PMD;

D O I：

10.1109/JLT.2013.2263849

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：

A Stokes space based technique for digital polarization-dependent losses (PDL) monitoring and compensation is proposed. The channel PDL monitoring is carried out with a resolution of 0.15 dB by computing the mean point of the signal samples represented in the three-dimensional Stokes space. The presented compensation technique is based on rotations and translations of the signal samples in the Stokes space, and provides a PDL compensation up to 2.5 dB. Error vector magnitude results show a gain of about 3 dB (assuming a PDL value equal to 1.5 dB) to a Stokes space based polarization demultiplexing technique without PDL compensation.

引用

页码：2122 / 2130

页数：9

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