Research on Dispersion Compensation of 40 GB/s Optical Duo-Binary Coded Transmission System - Optics and Photonics Journal

OPJ > Vol.6 No.8, August 2016

Research on Dispersion Compensation of 40 GB/s Optical Duo-Binary Coded Transmission System ()

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Download as PDF (Size: 695KB) PP. 190-195

DOI: 10.4236/opj.2016.68B031 1,781 Downloads 3,062 Views Citations

Author(s)

Yue Zhou, Yufeng Shao^*, Zhifeng Wang^*, Changxiang Li, Junyi Zhou, Wenzhe Ma

Affiliation(s)

Faculty of Engineering, Shanghai Polytechnic University, Shanghai, China.

ABSTRACT

A 40 Gb/s high speed optical transmission system is designed, and the different dispersion compensation schemes are adopted to realize the transmission of the optical duo-binary (ODB) signals over 120 km optical fiber. Optical duo-binary signals are generated by using a precoder, two low- pass filters (LPF) and one mach-zehnder modulator (MZM). Through combination of dispersion compensation fiber (DCF) and single mode fiber (SMF) in the transmission link, four different dispersion compensation schemes (pre-compensation, post-compensation and hybrid compensation (pre+ post) and hybrid compensation (post+ pre)) were compared. Analyzing Q factor, BER, eye diagrams and receiver sensitivity in several dispersion compensation schemes, the simulation results are: the cut-off frequency of LPF affects the transmission performance, and the hybrid compensation (post+ pre) scheme is the optimal dispersion compensation method.

KEYWORDS

Optical Communication, Duo-Binary, Dispersion Compensation, Q Factor, Eye Diagrams

Share and Cite:

Zhou, Y. , Shao, Y. , Wang, Z. , Li, C. , Zhou, J. and Ma, W. (2016) Research on Dispersion Compensation of 40 GB/s Optical Duo-Binary Coded Transmission System. Optics and Photonics Journal, 6, 190-195. doi: 10.4236/opj.2016.68B031.

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