• Chinese Optics Letters
  • Vol. 22, Issue 1, 010602 (2024)
Yu Zhang1, Chen Wang1, Kaihui Wang1, Junjie Ding1..., Bowen Zhu1, Lei Shen2, Lei Zhang2, Ruichun Wang2, Changkun Yan2, Bo Liu3 and Jianjun Yu1,*|Show fewer author(s)
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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    DOI: 10.3788/COL202422.010602 Cite this Article Set citation alerts
    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) Copy Citation Text show less
    Experimental setup and equalization algorithms block diagram.
    Fig. 1. Experimental setup and equalization algorithms block diagram.
    4 × 4 MIMO-TDLMS algorithm diagram.
    Fig. 2. 4 × 4 MIMO-TDLMS algorithm diagram.
    8 × 8 MIMO-FDLMS algorithm diagram.
    Fig. 3. 8 × 8 MIMO-FDLMS algorithm diagram.
    Optical spectra of (a) BTB and (b) 1000 km.
    Fig. 4. Optical spectra of (a) BTB and (b) 1000 km.
    Transmission performance of different signals at different distances.
    Fig. 5. Transmission performance of different signals at different distances.
    Constellation diagrams of signals of (a) BTB and (b) 1000 km.
    Fig. 6. Constellation diagrams of signals of (a) BTB and (b) 1000 km.
    Performance of C30–C37 eight channels at 1000 km transmission distance.
    Fig. 7. Performance of C30–C37 eight channels at 1000 km transmission distance.
    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 1. Records of MDM Transmission Experiments
    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 2. FMF Characteristics
    Equalization AlgorithmNumber of TapsStep Size
    MIMO-FDLMS8022 × 10−5
    MIMO-TDLMS4011 × 10−4
    DD-LMS4011 × 10−5
    Table 3. Parameters of Equalization Algorithms
    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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