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Chinese Optics Letters, Volume. 17, Issue 3, 030603(2019)

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

Yang Jiang1, Xingwen Yi1,2, Shaohua Hu1, Xiatao Huang1, Wei Tang1, Wenjing Zhou1, Xinning Huang3, Jing Zhang1、*, and Kun Qiu1
Author Affiliations
  • 1Key Laboratory of Optical Fiber Sensing and Communications, University of Electronic Science and Technology of China, Chengdu 611731, China
  • 2School of Electronics and Information Technology, Sun Yat-sen University, Guangzhou 510275, China
  • 3Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710075, China
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    Block diagram of the proposed polarization de-multiplexing with the MKF scheme.

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

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

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

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    Converging performance of the MKF and CKF.

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

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    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. 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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    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. 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.

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

    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

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Aug. 10, 2018

    Accepted: Dec. 27, 2018

    Published Online: Mar. 8, 2019

    The Author Email: Jing Zhang (zhangjing1983@uestc.edu.cn)

    DOI:10.3788/COL201917.030603

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology