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Chinese Journal of Lasers, Volume. 51, Issue 5, 0506002(2024)

Faster‑than‑Nyquist Mode Division Multiplexing Passive Optical Network Based on Joint Damage Compensation Method

Qianwu Zhang*, Shucheng Zhan, Boyang Liu, Guanwen Chen, Zhiyu Li, Yuanjiang Ouyang, Bingyao Cao, Zhengxuan Li, and Yating Wu
Author Affiliations
  • Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, School of Communication and Information Engineering, Shanghai University, Shanghai 200444, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    References (30)
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    Figures & Tables(11)
    Schematic diagram of mode crosstalk and ISI mitigation for FTN-MDM-PON system based on joint damage compensation method

    Fig. 1. Schematic diagram of mode crosstalk and ISI mitigation for FTN-MDM-PON system based on joint damage compensation method

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    Singular value distribution of FTN transmission interference matrix G after SVD decomposition under different compression factors

    Fig. 2. Singular value distribution of FTN transmission interference matrix G after SVD decomposition under different compression factors

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    Data frame structure for FTN-MDM-PON system downlink channel impulse response estimation

    Fig. 3. Data frame structure for FTN-MDM-PON system downlink channel impulse response estimation

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    MIMO pre-equalizer structure with dispersion pre-compensation at the transmitter

    Fig. 4. MIMO pre-equalizer structure with dispersion pre-compensation at the transmitter

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    Tap coefficient calculation process of MIMO pre-equalizer at the transmitter

    Fig. 5. Tap coefficient calculation process of MIMO pre-equalizer at the transmitter

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    Block diagram of FTN-MDM-PON simulation system

    Fig. 6. Block diagram of FTN-MDM-PON simulation system

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    BER versus received optical power before and after using three types of precoding methods based on joint damage compensation method in the case of τ=0.8. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

    Fig. 7. BER versus received optical power before and after using three types of precoding methods based on joint damage compensation method in the case of τ=0.8. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

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    BER versus received optical power before and after using three types of precoding methods based on joint damage compensation method in the case of τ=0.9. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

    Fig. 8. BER versus received optical power before and after using three types of precoding methods based on joint damage compensation method in the case of τ=0.9. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

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    BER versus received optical power for joint damage compensation method based on SVD PA precoding and MIMO pre-equalizer under different time-domain compression factors. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

    Fig. 9. BER versus received optical power for joint damage compensation method based on SVD PA precoding and MIMO pre-equalizer under different time-domain compression factors. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

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    BER versus received optical power for joint damage compensation method based on Chol precoding and MIMO pre-equalizer under different time-domain compression factors. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

    Fig. 10. BER versus received optical power for joint damage compensation method based on Chol precoding and MIMO pre-equalizer under different time-domain compression factors. (a) LP01 mode; (b) LP11 mode; (c) LP21 mode; (d) LP31 mode

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    • Table 1. Parameters of FMF used in the simulation system

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      Table 1. Parameters of FMF used in the simulation system

      ParameterContent
      Transversal index profileStepIndex
      Core refractive index1.46
      Index contrast0.008

      Effective index

      （LP01， LP11， LP21， LP02， LP31， LP12）

      		1.458， 1.456， 1.453， 1.452， 1.451， 1.449
      Attenuation /（dB·km-1）0.25

      Chromatic dispersion /（ps·nm-1·km-1）

      （LP01， LP11， LP21， LP02， LP31， LP12）

      		25， 28， 29， 25， 23， -48
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    Qianwu Zhang, Shucheng Zhan, Boyang Liu, Guanwen Chen, Zhiyu Li, Yuanjiang Ouyang, Bingyao Cao, Zhengxuan Li, Yating Wu. Faster‑than‑Nyquist Mode Division Multiplexing Passive Optical Network Based on Joint Damage Compensation Method[J]. Chinese Journal of Lasers, 2024, 51(5): 0506002

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    Paper Information

    Category: Fiber optics and optical communication

    Received: Jun. 21, 2023

    Accepted: Aug. 4, 2023

    Published Online: Mar. 5, 2024

    The Author Email: Zhang Qianwu (zhangqianwu@shu.edu.cn)

    DOI:10.3788/CJL230945

    CSTR:32183.14.CJL230945

    Topics

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