Chinese Journal of Lasers, Volume. 45, Issue 11, 1106006(2018)
Polarization Mode Dispersion Measurement Based on Wavelet Threshold Denoising
Figures & Tables(7)
Fig. 1. Schematic of experimental system for PMD measurement by fixed analyzer method
Fig. 5. Comparison among measurement results of different fibers. (a) 1.7 km, DCF; (b) 39 km, SMF; (c) 2.5 km, SMF; (d) 0.054 km, PMF
Table 1. SDs of three kinds of measurement methods
View tableTable 1. SDs of three kinds of measurement methods
Fiber type Fiber length /km SDs of method /ps Commercial instrument measurement Wavelet threshold denoising Fourier analysis DCF 1.700 0.22 0.28 0.64 SMF 39.000 0.02 0.02 0.08 SMF 2.500 0.01 0.02 0.05 PMF 0.054 0.14 0.54 0.55
Table 2. Comparison between reference value and measurement results by two kinds of methods
View tableTable 2. Comparison between reference value and measurement results by two kinds of methods
Fiber type Fiber length /km Reference value Wavelet threshold denoising Fourier analysis Average /ps Relative error /% Average /ps Relative error /% DCF 1.700 12.57 12.51 0.47 12.65 0.64 SMF 39.000 0.22 0.22 2.27 0.25 14.09 SMF 2.500 0.43 0.44 1.39 0.42 7.19 PMF 0.054 56.47 56.09 0.67 57.08 1.00
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Sha Yuyang, Xi Lixia, Zhang Xiaoguang, Tang Xianfeng, Zhang Wenbo. Polarization Mode Dispersion Measurement Based on Wavelet Threshold Denoising[J]. Chinese Journal of Lasers, 2018, 45(11): 1106006
Paper Information
Category: Fiber optics and optical communication
Received: May. 9, 2018
Accepted: --
Published Online: Nov. 15, 2018
The Author Email: Lixia Xi (xilixia@bupt.edu.cn)
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