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Acta Optica Sinica, Volume. 38, Issue 1, 0106001(2018)

Carrier Recovery Technology of Optical Phase Locked Loop in Coherent Laser Communication System

Yang Liu1,2, Shoufeng Tong1、*, Shuai Chang1,2, Yansong Song1, Yan Dong1, Yi Dong3, and Zhe An2
Author Affiliations
  • 1 Key Laboratory of Fundamental Science on Space-Ground Laser Communication Technology, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2 School of Optoelectronic Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 3 State Key Laboratory of Advanced Optical Communication Systems and Networks, Shanghai Jiao Tong University, Shanghai 200240, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (12)
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    Figures & Tables(11)
    Block diagram of carrier recovery control system

    Fig. 1. Block diagram of carrier recovery control system

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    Optical phase locked loop

    Fig. 2. Optical phase locked loop

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    Loop phase detector

    Fig. 3. Loop phase detector

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    Relationship of SNR and phase contrast

    Fig. 4. Relationship of SNR and phase contrast

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    Relationship of delay and phase contrast

    Fig. 5. Relationship of delay and phase contrast

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    Schematic of test system

    Fig. 6. Schematic of test system

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    Original signal

    Fig. 7. Original signal

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    Baseband signal of recovered

    Fig. 8. Baseband signal of recovered

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    Eye diagram

    Fig. 9. Eye diagram

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    Relationship between error rate and signal power when communication rate is 5 Gb/s

    Fig. 10. Relationship between error rate and signal power when communication rate is 5 Gb/s

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    Relationship betweencommunication rate and signal power

    Fig. 11. Relationship betweencommunication rate and signal power

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    Yang Liu, Shoufeng Tong, Shuai Chang, Yansong Song, Yan Dong, Yi Dong, Zhe An. Carrier Recovery Technology of Optical Phase Locked Loop in Coherent Laser Communication System[J]. Acta Optica Sinica, 2018, 38(1): 0106001

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Apr. 19, 2017

    Accepted: --

    Published Online: Aug. 31, 2018

    The Author Email: Tong Shoufeng (tsf1998@sina.com)

    DOI:10.3788/AOS201838.0106001

    Topics

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