Polarization de-multiplexing using a modified Kalman filter in CO-OFDM transmissions

Yang Jiang; Xingwen Yi; Shaohua Hu; Xiatao Huang; Wei Tang; Wenjing Zhou; Xinning Huang; Jing Zhang; Kun Qiu

doi:doi:10.3788/COL201917.030603

Chinese Optics Letters, 2019, 17 (3): 030603, Published Online: Mar. 8, 2019

Polarization de-multiplexing using a modified Kalman filter in CO-OFDM transmissions Download： 528次

Yang Jiang ¹Xingwen Yi ^1,2Shaohua Hu ¹Xiatao Huang ¹Wei Tang ¹Wenjing Zhou ¹Xinning Huang ³Jing Zhang ^1,*Kun Qiu ¹

Author Affiliations

¹ Key Laboratory of Optical Fiber Sensing and Communications, University of Electronic Science and Technology of China, Chengdu 611731, China

² School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China

³ Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710075, China

Figures & Tables

Fig. 1. Block diagram of the proposed polarization de-multiplexing with the MKF scheme.

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Fig. 2. Jones matrix estimation in simulation: (a) CKF; (b) MKF; dotted line, estimated $H$ .

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Fig. 3. Converging performance of the MKF and CKF.

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Fig. 4. Experimental setup of a polarization multiplexed CO-OFDM transmission. PB, polarization beam splitter; PBC, polarization beam combiner; SSMF, standard single-mode fiber; CD, chromatic dispersion; CFO, carrier frequency offset.

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Fig. 5. $q$ , $r$ versus $\log_{10}$ (BER) with launch powers, fiber distances, and a Kalman filter being (a) $- 3 dBm$ , 160 km, and CKF; (b) $- 3 dBm$ , 160 km, and MKF; (c) 1 dBm, 160 km, and CKF; (d) 1 dBm, 160 km, and MKF; (e) $- 3 dBm$ , 480 km, and CKF; (f) $- 3 dBm$ , 480 km, and MKF.

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Fig. 6. BER versus launch power for three polarization de-multiplexing algorithms.

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Yang Jiang, Xingwen Yi, Shaohua Hu, Xiatao Huang, Wei Tang, Wenjing Zhou, Xinning Huang, Jing Zhang, Kun Qiu. Polarization de-multiplexing using a modified Kalman filter in CO-OFDM transmissions[J]. Chinese Optics Letters, 2019, 17(3): 030603.

Polarization de-multiplexing using a modified Kalman filter in CO-OFDM transmissions Download： 528次

Fig. 1. Block diagram of the proposed polarization de-multiplexing with the MKF scheme.

Fig. 2. Jones matrix estimation in simulation: (a) CKF; (b) MKF; dotted line, estimated $H$ .

Fig. 3. Converging performance of the MKF and CKF.

Fig. 4. Experimental setup of a polarization multiplexed CO-OFDM transmission. PB, polarization beam splitter; PBC, polarization beam combiner; SSMF, standard single-mode fiber; CD, chromatic dispersion; CFO, carrier frequency offset.

Fig. 5. $q$ , $r$ versus $\log_{10}$ (BER) with launch powers, fiber distances, and a Kalman filter being (a) $- 3 dBm$ , 160 km, and CKF; (b) $- 3 dBm$ , 160 km, and MKF; (c) 1 dBm, 160 km, and CKF; (d) 1 dBm, 160 km, and MKF; (e) $- 3 dBm$ , 480 km, and CKF; (f) $- 3 dBm$ , 480 km, and MKF.

Fig. 6. BER versus launch power for three polarization de-multiplexing algorithms.

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Polarization de-multiplexing using a modified Kalman filter in CO-OFDM transmissions Download： 528次

Fig. 1. Block diagram of the proposed polarization de-multiplexing with the MKF scheme.

Fig. 2. Jones matrix estimation in simulation: (a) CKF; (b) MKF; dotted line, estimated H.

Fig. 3. Converging performance of the MKF and CKF.

Fig. 4. Experimental setup of a polarization multiplexed CO-OFDM transmission. PB, polarization beam splitter; PBC, polarization beam combiner; SSMF, standard single-mode fiber; CD, chromatic dispersion; CFO, carrier frequency offset.

Fig. 5. q, r versus log10 (BER) with launch powers, fiber distances, and a Kalman filter being (a) −3 dBm, 160 km, and CKF; (b) −3 dBm, 160 km, and MKF; (c) 1 dBm, 160 km, and CKF; (d) 1 dBm, 160 km, and MKF; (e) −3 dBm, 480 km, and CKF; (f) −3 dBm, 480 km, and MKF.

Fig. 6. BER versus launch power for three polarization de-multiplexing algorithms.

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Fig. 2. Jones matrix estimation in simulation: (a) CKF; (b) MKF; dotted line, estimated $H$ .

Fig. 5. $q$ , $r$ versus $\log_{10}$ (BER) with launch powers, fiber distances, and a Kalman filter being (a) $- 3 dBm$ , 160 km, and CKF; (b) $- 3 dBm$ , 160 km, and MKF; (c) 1 dBm, 160 km, and CKF; (d) 1 dBm, 160 km, and MKF; (e) $- 3 dBm$ , 480 km, and CKF; (f) $- 3 dBm$ , 480 km, and MKF.