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Chinese Optics Letters, Volume. 22, Issue 1, 010602(2024)

4.096 Tbit/s multidimensional multiplexing signals transmission over 1000 km few mode fiber

Yu Zhang1, Chen Wang1, Kaihui Wang1, Junjie Ding1, Bowen Zhu1, Lei Shen2, Lei Zhang2, Ruichun Wang2, Changkun Yan2, Bo Liu3, and Jianjun Yu1、*
Author Affiliations
  • 1School of Information Science and Technology, Fudan University, Shanghai 200433, China
  • 2Changfei Optical Fiber and Cable Joint Stock Limited Company, Wuhan 430073, China
  • 3Nanjing University of Information Science & Technology, Nanjing 210000, China
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    Figures&Tables (10)
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    References (32)
    Cited By (6)
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    Figures & Tables(10)
    Experimental setup and equalization algorithms block diagram.

    Fig. 1. Experimental setup and equalization algorithms block diagram.

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    4 × 4 MIMO-TDLMS algorithm diagram.

    Fig. 2. 4 × 4 MIMO-TDLMS algorithm diagram.

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    8 × 8 MIMO-FDLMS algorithm diagram.

    Fig. 3. 8 × 8 MIMO-FDLMS algorithm diagram.

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    Optical spectra of (a) BTB and (b) 1000 km.

    Fig. 4. Optical spectra of (a) BTB and (b) 1000 km.

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    Transmission performance of different signals at different distances.

    Fig. 5. Transmission performance of different signals at different distances.

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    Constellation diagrams of signals of (a) BTB and (b) 1000 km.

    Fig. 6. Constellation diagrams of signals of (a) BTB and (b) 1000 km.

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    Performance of C30–C37 eight channels at 1000 km transmission distance.

    Fig. 7. Performance of C30–C37 eight channels at 1000 km transmission distance.

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    • Table 1. Records of MDM Transmission Experiments

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      Table 1. Records of MDM Transmission Experiments

      YearSignals/Modes/Distance (km)Transmission Rate
      2018[14]QPSK/2/100640 Gbit/s
      2018[15]PDM-64-QAM/3/30280 Tbit/s
      2019[16]PS-PDM-16QAM/10/48402.7 Tbit/s
      2019[17]QPSK/8/502.56 Tbit/s
      2020[18]16QAM/3/306040.2 Tbit/s
      2020[19]16QAM/2/51.12 Tbit/s
      2021[20]64QAM/15/231.01 Pbit/s
      2021[21]DP-16QAM/2/10016 Tbit/s

    • Table 2. FMF Characteristics

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      Table 2. FMF Characteristics

      Parameters of FMFNumerical Value
      Loss (dB/km)LP01: 0.208LP11: 0.202
      Differential group delay (ps/m)LP01–LP11: 0.4
      Length of single FMF (km)50
      Coefficient of dispersion (ps/(nm × km))LP01: 21.25LP11: 21.01
      Effective area (µm2)LP01: 90LP11: 121

    • Table 3. Parameters of Equalization Algorithms

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      Table 3. Parameters of Equalization Algorithms

      Equalization AlgorithmNumber of TapsStep Size
      MIMO-FDLMS8022 × 10−5
      MIMO-TDLMS4011 × 10−4
      DD-LMS4011 × 10−5
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    Yu Zhang, Chen Wang, Kaihui Wang, Junjie Ding, Bowen Zhu, Lei Shen, Lei Zhang, Ruichun Wang, Changkun Yan, Bo Liu, Jianjun Yu, "4.096 Tbit/s multidimensional multiplexing signals transmission over 1000 km few mode fiber," Chin. Opt. Lett. 22, 010602 (2024)

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 14, 2023

    Accepted: Jul. 27, 2023

    Published Online: Jan. 2, 2024

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

    DOI:10.3788/COL202422.010602

    CSTR:32184.14.COL202422.010602

    Topics

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