Polarization Jitters Caused by Fiber Nonlinearity in PM Optical Communication System

Lan-Lan Liu, Chong-Qing Wu, Wei Yang, Jian Wang, Guo-Dong Liu

Institute of Optical Information, School of Science, Beijing Jiaotong University, Key Lab of Education Ministry on Luminescence and Optical Information Technology, Beijing, China.

DOI: 10.4236/opj.2013.32B048                

Abstract

The phenomenon of polarization jitters caused by fiber nonlinearity is investigated. A general formula about the polarization jitter is concluded in polarization multiplexing (PM) system based on two orthogonal linear polarization states when the best polarization correction is used. A 100 Gb/s PM system based on NRZ code is investigated by simulation, and the Stocks parameter about polarization jitter and Poincare sphere diagrams are got for different power and phase difference of two orthogonal polarized light. The results show that the polarization jitters will be suppressed when the combined PM signal is the linear or circular polarization state.

Keywords

Optical Fiber Communication; Polarization Multiplexing (PM); Fiber Nonlinearity; Nonlinear Polarization Jitter

Conflicts of Interest

The authors declare no conflicts of interest.

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