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Acta Optica Sinica, Volume. 38, Issue 12, 1206003(2018)

Algorithm for Low-Computational-Complexity Carrier-Phase Estimation in Optical Communication Systems

Zhili Zhou1,3,4、*, Yiju Zhan2, Qingling Cai2, Xiukai Ruan3,4, and Qibo Cai3,4、*
Author Affiliations
  • 1 School of Electronics and Information Technology, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
  • 2 School of Engineering, Sun Yat-Sen University, Guangzhou, Guangdong 510006, China
  • 3 College of Mathematics, Physics and Electronic Information Engineering, Wenzhou University, Wenzhou, Zhejiang 325035, China
  • 4 National-Local Joint Engineering Laboratory for Digitalized Electrical Design Technology, Wenzhou University, Wenzhou, Zhejiang 325035, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    Figures & Tables(11)
    Schematic of BPS algorithm

    Fig. 1. Schematic of BPS algorithm

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    Relationship between normalized sk,b and phase compensation angle

    Fig. 2. Relationship between normalized sk,b and phase compensation angle

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    Optimum phase evaluation value φb of symbols obtained by PM-16QAM algorithm(B=32)

    Fig. 3. Optimum phase evaluation value φb of symbols obtained by PM-16QAM algorithm(B=32)

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    Schematic of P-BPS algorithm

    Fig. 4. Schematic of P-BPS algorithm

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    Distribution of test phase range

    Fig. 5. Distribution of test phase range

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    Relationship between BER and M (PM-64QAM, OSNR: 25 dB, linewidth: 1 MHz)

    Fig. 6. Relationship between BER and M (PM-64QAM, OSNR: 25 dB, linewidth: 1 MHz)

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    Simulation system for polarization multiplexing coherent optical communication

    Fig. 7. Simulation system for polarization multiplexing coherent optical communication

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    Relationship between BER and OSNR (PM-16QAM, linewidth: 1 MHz)

    Fig. 8. Relationship between BER and OSNR (PM-16QAM, linewidth: 1 MHz)

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    Relationship between BER and OSNR (PM-64QAM, linewidth: 1 MHz)

    Fig. 9. Relationship between BER and OSNR (PM-64QAM, linewidth: 1 MHz)

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    Relationship between BER and linewidth (PM-16QAM, OSNR: 18 dB)

    Fig. 10. Relationship between BER and linewidth (PM-16QAM, OSNR: 18 dB)

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    Relationship between BER and linewidth (PM-64QAM, OSNR: 25 dB)

    Fig. 11. Relationship between BER and linewidth (PM-64QAM, OSNR: 25 dB)

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    Zhili Zhou, Yiju Zhan, Qingling Cai, Xiukai Ruan, Qibo Cai. Algorithm for Low-Computational-Complexity Carrier-Phase Estimation in Optical Communication Systems[J]. Acta Optica Sinica, 2018, 38(12): 1206003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Apr. 28, 2018

    Accepted: Jul. 31, 2018

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201838.1206003

    Topics

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