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

Tangjun Li; Muguang Wang; Libo Cai; Jing Zhao; Yong Chen; Jihong Cao; Shuisheng Jian

doi:10.1117/12.635607

2 December 2005 Dynamic PMD compensation for 40-Gbit/s NRZ codes transmission

Tangjun Li, Muguang Wang, Libo Cai, Jing Zhao, Yong Chen, Jihong Cao, Shuisheng Jian

Proceedings Volume 6019, Passive Components and Fiber-based Devices II; 60192R (2005) https://doi.org/10.1117/12.635607
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

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.

Citation Download Citation

Tangjun Li, Muguang Wang, Libo Cai, Jing Zhao, Yong Chen, Jihong Cao, and Shuisheng Jian "Dynamic PMD compensation for 40-Gbit/s NRZ codes transmission", Proc. SPIE 6019, Passive Components and Fiber-based Devices II, 60192R (2 December 2005); https://doi.org/10.1117/12.635607

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