Dynamic PMD compensation for 40-Gbit/s NRZ codes transmission

被引：0
|
作者：
Li, TJ [1 ]
Wang, MG [1 ]
Cai, LB [1 ]
Zhao, J [1 ]
Chen, Y [1 ]
Cao, JH [1 ]
Jian, SS [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Beijing, Peoples R China
来源：
PASSIVE COMPONENTS AND FIBER-BASED DEVICES II, PT 1 AND 2 | 2005年 / 6019卷
关键词：
D O I：
10.1117/12.635607
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report on a 40 Gbit/s NRZ (non-return-to-zero) code transmission experiments including an dynamic Polarization mode dispersion (PMD) compensation. The dynamic PMD compensator is made up of two-stage four degrees. The first stage adopts polarization controller and fixed time-delayed line. The second stage is variable Differential Group Delay (DGD) element. The PMD monitoring technique is based on degree of polarization (DOP) as error signal. A novel practical adaptive optimization algorithm was introduced in dynamic adaptive PMD compensation. The experimental results show that the performance of the PMD compensator is excellent for 40Gbits/s NRZ transmission systems with the large the DGD. With this compensator, a significant improvement of system performance can be achieved in the eye pattern of a received signal.
引用
收藏
页码：U698 / U705
页数：8
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