Chinese Optics Letters, Volume. 14, Issue 9, 090603(2016)
Simultaneous optical signal to noise ratio and symbol rate estimation with blind chromatic dispersion compensation for auxiliary amplitude modulation optical signals
Figures & Tables(10)
Fig. 1. System structure for OSNR and SR estimation using the PTVR of the AMDF.
Fig. 2. Raw data and 8-order Fourier fitting plot of the AMDF for 10 Gsymbol/s (a) RZ-OOK, (b) RZ-DPSK, (c) RZ-DQPSK, and (d) RZ-16QAM.
Fig. 3. PTVR versus accumulated CD for 10 Gsymbol/s (a) RZ-OOK, (b) RZ-DPSK, (c) RZ-DQPSK, and (d) RZ-16QAM.
Fig. 4. Variations of the PTVR versus compensated CD when the actual
Fig. 5. PTVR raw data versus the OSNR for 10 Gsymbol/s (a) RZ-OOK, (b) RZ-DPSK, (c) RZ-DQPSK, and (d) RZ-16QAM.
Fig. 6. (a)
Fig. 7. OSNR absolute estimation error versus PMD for 10 Gsymbol/s (a) RZ-OOK, (b) RZ-DPSK, (c) RZ-DQPSK, and (d) RZ-16QAM.
Fig. 8. SR estimation error versus the PMD for 10 Gsymbol/s (a) RZ-OOK, (b) RZ-DPSK, (C) RZ-DQPSK, and (d) RZ-16QAM.
Table 1. Coefficients of 5-order Polynomial Fitting Calculated for OSNR Monitoring with Different Modulation Formatsa
View tableView in ArticleTable 1. Coefficients of 5-order Polynomial Fitting Calculated for OSNR Monitoring with Different Modulation Formatsa
The coefficients of 5-order polynomial fitting by RMSE and Adj. R-Square algorithms Modulation formats p 5p 4p 3p 2p 1p 0RZ 1.646 × 105 −9.641 × 105 2.257 × 106 −2.639 × 106 1.542 × 106 −3.6 × 105 RZ-DPSK 0.1051 −1.998 14.64 −51.58 90.28 −41.2 RZ-DQPSK 0.02304 −0.4546 3.585 −14.05 30.44 −11.6 RZ-16QAM 3.587 × 102 −3.116 × 103 1.075 × 104 −1.842 × 104 1.566 × 104 −5.28 × 103
Table 2. SR Estimation Errors for 10 Gsymbol/s Different AAMs Using AMDF
View tableView in ArticleTable 2. SR Estimation Errors for 10 Gsymbol/s Different AAMs Using AMDF
SR Estimation Error (%) Modulation formats SR Rstimation Without Blind CD Compensation SR Estimation With Blind CD Compensation RZ-OOK RZ-DPSK RZ-DQPSK RZ-16QAM
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Junyu Wei, Jiangyi Qin, Zhiping Huang, Xiaojun Guo. Simultaneous optical signal to noise ratio and symbol rate estimation with blind chromatic dispersion compensation for auxiliary amplitude modulation optical signals[J]. Chinese Optics Letters, 2016, 14(9): 090603
Paper Information
Category: Fiber Optics and Optical Communications
Received: Mar. 15, 2016
Accepted: Jul. 1, 2016
Published Online: Aug. 3, 2018
The Author Email: Junyu Wei (davidjuyun@163.com)
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