Journals Articles Conferences News About CLP
Submit a paper Email Alert
Search
Search
Articles
Journals
News
Advanced Search
Top Searches
2D MaterialsTransformation opticsQuantum PhotonicsSmall lasersSemiconductor UV PhotonicsSupersymmetric microring laser arrays

Chinese Journal of Lasers, Volume. 45, Issue 10, 1006002(2018)

Long Distance Underwater Laser Communication System Based on Low-Density Parity Check Codes and Pulse-Position Modulation

Mi Le1,2, Hu Siqi1,2, Zhou Tianhua1, and Chen Weibiao1
Author Affiliations
  • 1[in Chinese]
  • 2[in Chinese]
    • show less
    AbstractGet PDF(in Chinese)
    Figures&Tables (9)
    Equations (0)
    References (14)
    Cited By (5)
    Tools
    Paper Information
    Topics
    Figures & Tables(9)
    Variation of received power and pulse broadening with transmission distance under three different water quality parameters. (a) Received power versus transmission distance; (b) pulse broadening versus transmission distance

    Fig. 1. Variation of received power and pulse broadening with transmission distance under three different water quality parameters. (a) Received power versus transmission distance; (b) pulse broadening versus transmission distance

    Download full size
    Processing flow chart of system signal

    Fig. 2. Processing flow chart of system signal

    Download full size
    BER versus SNR under different code rates

    Fig. 3. BER versus SNR under different code rates

    Download full size
    Installation of underwater laser communication system

    Fig. 4. Installation of underwater laser communication system

    Download full size
    Sampling map for analog detection signal at 130 m

    Fig. 5. Sampling map for analog detection signal at 130 m

    Download full size
    SNR and BER curves. (a) SNR versus underwater transmission distance; (b) measured BER versus SNR by different ways of coding

    Fig. 6. SNR and BER curves. (a) SNR versus underwater transmission distance; (b) measured BER versus SNR by different ways of coding

    Download full size

    • Table 1. Typical water quality parameters of Jerlov

      View table

      Table 1. Typical water quality parameters of Jerlov

      ParameterJerlov IBJerlov ⅡJerlov Ⅲ
      c /m-10.1440.3030.556
      ω0.580.750.81

    • Table 2. Parameters of experimental system

      View table

      Table 2. Parameters of experimental system

      ParameterValue
      Wavelength λ /nm532
      Initial pulse width /ns10
      Single pulse energy /mJ1
      Initial divergence angle θ0 /mrad2
      Pulse initial radius r0 /mm2
      Emission efficiency ηs0.8
      Frequency /kHz1.5
      Aperture radius /mm100
      Field of view /(°)15

    • Table 3. Measured SNR and BER at different transmission distances

      View table

      Table 3. Measured SNR and BER at different transmission distances

      Distance /mSNR /dBBER
      PPMLDPC(1/2)+PPMLDPC(2/3)+PPMLDPC(3/4)+PPMLDPC(5/6)+PPM
      9017.3034≤10-6≤10-6≤10-6≤10-6≤10-6
      10014.6350≤10-6≤10-6≤10-6≤10-6≤10-6
      11011.2464≤10-6≤10-6≤10-6≤10-6≤10-6
      1208.13507.14×10-48×10-63.899×10-56.2391×10-46.5104×10-4
      1305.78540.002499.2×10-67.735×10-40.00100.0015
    Tools

    Get Citation

    Copy Citation Text

    Mi Le, Hu Siqi, Zhou Tianhua, Chen Weibiao. Long Distance Underwater Laser Communication System Based on Low-Density Parity Check Codes and Pulse-Position Modulation[J]. Chinese Journal of Lasers, 2018, 45(10): 1006002

    Download Citation

    EndNote(RIS)BibTexPlain Text
    Set citation alerts for article
    Save article for my favorites
    Paper Information

    Category: Fiber optics and optical communication

    Received: Mar. 19, 2018

    Accepted: --

    Published Online: Oct. 12, 2018

    The Author Email:

    DOI:10.3788/cjl201845.1006002

    Topics

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