Chinese Journal of Lasers, Volume. 45, Issue 1, 106002(2018)
Experimental Research on Polarization Mode Dispersion Measurement Based on Empirical Mode Decomposition
Figures & Tables(7)
Fig. 1. Schematic of the experimental system for the measurement of the PMD by fixed analyzer method
Fig. 3. Flow chart of PMD measurement signal for EMD adaptive decomposition and filtering
Fig. 4. Comparison of two methods for noise removal. (a) Wiener filtering method; (b) EMD adaptive filtering method
Fig. 5. Curves of four fiber measurement results. (a) 6.3 km DCF; (b) 38.8 km DSF; (c) 50.4 km SMF; (d) 50 m PMF
Table 1. Standard deviations of the three measured results under different polarization states
View tableTable 1. Standard deviations of the three measured results under different polarization states
Fiber type DCF DSF SMF PMF Fiber length /km 6.30 38.80 50.40 0.05 Standard deviation of the results of reference value /ps 0.34 0.12 0.02 0.02 Standard deviation of the results of EMD filtering /ps 0.37 0.19 0.03 0.22 Standard deviation of the results of Winner filtering /ps 0.43 0.38 0.04 0.76
Table 2. Comparison of the results of the two filtering methods with the measured results of thecommercial instrument (reference value)
View tableTable 2. Comparison of the results of the two filtering methods with the measured results of thecommercial instrument (reference value)
Fiber type DCF DSF SMF PMF Fiber length /km 6.30 38.80 50.40 0.05 Reference value /ps 9.90 5.39 0.63 57.46 Average of the results of EMD filtering /ps 9.880 5.430 0.633 57.500 Average of the results of Wiener filtering /ps 9.860 5.300 0.668 57.800 Relative error of measurement result between EMD filtering and reference value /% 0.20 0.74 0.48 0.07 Relative error of measurement result between Wiener filtering and reference value /% 0.40 1.67 6.03 0.59
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Pan Pan, Xi Lixia, Zhang Xiaoguang, Tang Xianfeng, Wan Dong. Experimental Research on Polarization Mode Dispersion Measurement Based on Empirical Mode Decomposition[J]. Chinese Journal of Lasers, 2018, 45(1): 106002
Paper Information
Category: Fiber optics and optical communication
Received: Jun. 15, 2017
Accepted: --
Published Online: Jan. 24, 2018
The Author Email: Pan Pan (ppan@bupt.edu.cn)
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