Complete PMD compensation in 40-Gbit/s optical transmission system

Rui Luo; Tangjun Li; Muguang Wang; Jie Cui; Shuisheng Jian

doi:10.1117/12.519720

30 April 2004 Complete PMD compensation in 40-Gbit/s optical transmission system

Rui Luo, Tangjun Li, Muguang Wang, Jie Cui, Shuisheng Jian

Proceedings Volume 5279, Optical Fibers and Passive Components; (2004) https://doi.org/10.1117/12.519720
Event: Asia-Pacific Optical and Wireless Communications, 2003, Wuhan, China

Abstract

In this paper, we successfully demonstrated automatic PMD compensation in 40Gbit/s NRZ transmission for the first time. Using a PMD monitor of 20GHz intensity extracted from the receive 40Gbit/s NRZ base band signal, we accomplished the feedback control of an optical PMD compensator consisting of a polarization controller and a polarization-maintaining fiber. And we report the statistical assessment of an adaptive optical PMD compensator at 40Gbit/s. The mitigator, described in, is experimentally tested in many PMD conditions (not limited to first order) covering Maxwellian-like PMD statistics. Experimental results, including bit error rate measurements, are successfully compared with theory, hereby demonstrating the compensator efficiency at 40Gbit/s. Furthermore, this letter introduces a two-stage PMD compensator. Our experimental results shows that, the compensators based on the two-stages of compensator can be used to PMD compensation in a 40Gbit/s OTDM system with 60 km high PMD fiber. The first-order PMD was max.274ps before PMD compensation. It was smaller than 7ps after PMD compensation. At the same time, the tunable FBG have a function of dispersion compensation.

Citation Download Citation

Rui Luo, Tangjun Li, Muguang Wang, Jie Cui, and Shuisheng Jian "Complete PMD compensation in 40-Gbit/s optical transmission system", Proc. SPIE 5279, Optical Fibers and Passive Components, (30 April 2004); https://doi.org/10.1117/12.519720

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