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Proceedings Paper

Dynamic PMD compensation for 40-Gbit/s NRZ code transmission
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Paper Abstract

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.

Paper Details

Date Published: 2 December 2005
PDF: 8 pages
Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60192R (2 December 2005); doi: 10.1117/12.635607
Show Author Affiliations
Tangjun Li, Beijing Jiaotong Univ. (China)
Muguang Wang, Beijing Jiaotong Univ. (China)
Libo Cai, Beijing Jiaotong Univ. (China)
Jing Zhao, Beijing Jiaotong Univ. (China)
Yong Chen, Beijing Jiaotong Univ. (China)
Jihong Cao, Beijing Jiaotong Univ. (China)
Shuisheng Jian, Beijing Jiaotong Univ. (China)

Published in SPIE Proceedings Vol. 6019:
Passive Components and Fiber-based Devices II
Yan Sun; Jianping Chen; Sang Bae Lee; Ian H. White, Editor(s)

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