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Chinese Journal of Lasers, Volume. 50, Issue 23, 2306002(2023)

Parameter Design and Experimental Verification of Taiji Program Inter‑Satellite Laser Communication

Yibin Zhang1,2,3,4, Rujie Deng1,2,3,4, Heshan Liu4, and Ziren Luo2,4、*
Author Affiliations
  • 1National Space Science Center, Chinese Academy of Sciences, Beijing 100190, China
  • 2Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310024, Zhejiang, China
  • 3University of Chinese Academy of Sciences, Beijing 100049, China
  • 4Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (16)
    Equations (0)
    References (23)
    Cited By (6)
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    Paper Information
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    Figures & Tables(16)
    Scheme of Taiji program inter-satellite laser communication

    Fig. 1. Scheme of Taiji program inter-satellite laser communication

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    Spectrogram of the signal obtained by modulating different frequencies

    Fig. 2. Spectrogram of the signal obtained by modulating different frequencies

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    Signal structure

    Fig. 3. Signal structure

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    Laser power versus modulation depth

    Fig. 4. Laser power versus modulation depth

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    Experimental block diagram of electronic simulation system

    Fig. 5. Experimental block diagram of electronic simulation system

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    Demodulation schematic

    Fig. 6. Demodulation schematic

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    Key signals. (a) Mixing signal; (b) filtering signal

    Fig. 7. Key signals. (a) Mixing signal; (b) filtering signal

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    Physical diagram of electronic simulation system

    Fig. 8. Physical diagram of electronic simulation system

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    Optical verification system block diagram

    Fig. 9. Optical verification system block diagram

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    Physical diagram of an optical experiment

    Fig. 10. Physical diagram of an optical experiment

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    Sampling decision error location

    Fig. 11. Sampling decision error location

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    System background noise

    Fig. 12. System background noise

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    • Table 1. Parametric design

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      Table 1. Parametric design

      ParameterValue 1Value 2Value 3Value 4
      Clock frequency /MHz50808080
      The length of PRN1024102420481024
      Ranging range /km200250250250
      The bit rate of data /（kb·s-1）24.439.119.519.5
      The bit rate of PRN /（Mb·s-1）1.51.252.51.25

    • Table 2. Core index of the laser

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      Table 2. Core index of the laser

      IndexContent
      Model of equipmentMephisto 500NEFC
      Spectral linewidth per 100 ms /kHz1
      Frequency stability /（MHz·min-1）1
      Wavelength /nm1064

    • Table 3. Test results of mixed code

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      Table 3. Test results of mixed code

      Experimental typeNo.

      The number of

      correct codes

      The number of

      error codes

      Electronic experiment16543997
      265328208
      36545680
      Optical experiment164761775
      264628908
      364611925

    • Table 4. Test results of misunderstanding

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      Table 4. Test results of misunderstanding

      Experimental typeNo.

      The number of

      correct codes

      The number of

      error codes

      Electronic experiment11060
      21060
      31060
      Optical experiment11060
      21060
      31060
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    Yibin Zhang, Rujie Deng, Heshan Liu, Ziren Luo. Parameter Design and Experimental Verification of Taiji Program Inter‑Satellite Laser Communication[J]. Chinese Journal of Lasers, 2023, 50(23): 2306002

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    Paper Information

    Category: Fiber optics and optical communication

    Received: Nov. 10, 2022

    Accepted: Jan. 5, 2023

    Published Online: Dec. 7, 2023

    The Author Email: Luo Ziren (luoziren@imech.ac.cn)

    DOI:10.3788/CJL221407

    Topics

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