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Chinese Journal of Lasers, Volume. 50, Issue 19, 1906006(2023)

Dual-Mode Polarization-Multiplexed 16QAM Signal 1000 km Few-Mode Fiber Transmission System Based on Heterodyne Coherent Detection

Chengzhen Bian1, Chen Wang1, Bohan Sang1, Kaihui Wang1, Junjie Ding1, Bowen Zhu1, Lei Shen2, Lei Zhang2, Ruichun Wang2, Changkun Yan2, Bo Liu3, and Jianjun Yu1、*
Author Affiliations
  • 1Department of Communication Science and Engineering, School of Information Science and Technology, Fudan University, Shanghai 200433, China
  • 2Yangtze Optical Fiber and Cable Joint Stock Limited Company, Wuhan 430073, Hubei , China
  • 3School of Physics and Optoelectronic Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, Jiangsu , China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(6)
    Experimental setup and DSP process

    Fig. 1. Experimental setup and DSP process

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    Comparison of measured BERs and AWGN channel simulation results under different OSNR conditions

    Fig. 2. Comparison of measured BERs and AWGN channel simulation results under different OSNR conditions

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    BERs of two modes after transmission for 1000 km under different input fiber powers

    Fig. 3. BERs of two modes after transmission for 1000 km under different input fiber powers

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    BERs under different transmission distances

    Fig. 4. BERs under different transmission distances

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    Results after 1000 km transmission. (a) X-polarization constellation diagram; (b) Y-polarization constellation diagram; (c) optical spectrum; (d) transmission experiment diagram

    Fig. 5. Results after 1000 km transmission. (a) X-polarization constellation diagram; (b) Y-polarization constellation diagram; (c) optical spectrum; (d) transmission experiment diagram

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    • Table 1. Few mode fiber parameters

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      Table 1. Few mode fiber parameters

      ParameterValue
      Loss /（dB·km-1）

      0.208 for LP01

      0.202 for LP11

      0.207 for LP21

      Differential group delay /（ps·m-1）

      0.40 for LP01-LP11

      0.11 for LP11-LP21

      Length of single FMF /km50
      Coefficient of dispersion /［ps·（nm·km）-1］

      21.25 for LP01

      21.01 for LP11

      19.50 for LP21

      20.29 for LP02

      Effective area /nm2

      90 for LP01

      121 for LP11

      159 for LP21

      161 for LP02

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    Chengzhen Bian, Chen Wang, Bohan Sang, Kaihui Wang, Junjie Ding, Bowen Zhu, Lei Shen, Lei Zhang, Ruichun Wang, Changkun Yan, Bo Liu, Jianjun Yu. Dual-Mode Polarization-Multiplexed 16QAM Signal 1000 km Few-Mode Fiber Transmission System Based on Heterodyne Coherent Detection[J]. Chinese Journal of Lasers, 2023, 50(19): 1906006

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    Paper Information

    Category: Fiber optics and optical communication

    Received: Dec. 22, 2022

    Accepted: Feb. 27, 2023

    Published Online: Oct. 18, 2023

    The Author Email: Yu Jianjun (jianjun@fudan.edu.cn)

    DOI:10.3788/CJL221560

    Topics

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