Theoretical and experimental study on PMD-supported transmission using polarization diversity in coherent optical OFDM systems

被引:105
|
作者
Shieh, W. [1 ]
Yi, X.
Ma, Y.
Tang, Y.
机构
[1] Univ Melbourne, ARC Special Res Ctr Ultra Broadband Informat Netw, Melbourne, Vic 3010, Australia
[2] Univ Melbourne, Natl ICT Australia, Dept Elect & Elect Engn, Melbourne, Vic 3010, Australia
来源
OPTICS EXPRESS | 2007年 / 15卷 / 16期
关键词
D O I
10.1364/OE.15.009936
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
In this paper, we conduct theoretical and experimental study on the PMD-supported transmission with coherent optical orthogonal frequency-division multiplexing (CO-OFDM). We first present the model for the optical fiber communication channel in the presence of the polarization effects. It shows that the optical fiber channel model can be treated as a special kind of multiple-input multiple-output (MIMO) model, namely, a two-input two-output (TITO) model which is intrinsically represented by a two-element Jones vector familiar to the optical communications community. The detailed discussions on variations of such coherent optical MIMO-OFDM (CO-MIMO-OFDM) models are presented. Furthermore, we show the first experiment of polarization-diversity detection in CO-OFDM systems. In particular, a CO-OFDM signal at 10.7 Gb/s is successfully recovered after 900 ps differential-group-delay (DGD) and 1000-km transmission through SSMF fiber without optical dispersion compensation. The transmission experiment with higher-order PMD further confirms the resilience of the CO-OFDM signal to PMD in the transmission fiber. The nonlinearity performance of PMD-supported transmission is also reported. For the first time, nonlinear phase noise mitigation based on receiver digital signal processing is experimentally demonstrated for CO-OFDM transmission. (C) 2007 Optical Society of America.
引用
收藏
页码:9936 / 9947
页数:12
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