Opto-Electronic Engineering, Volume. 50, Issue 2, 220149(2023)

Progress on high-precision laser-based underwater frequency transfer

Dong Hou*... Junwei Ren, Guangkun Guo and Ke Liu |Show fewer author(s)
Author Affiliations
  • School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, Sichuan 611731, China
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    Figures & Tables(10)
    Underwater time-frequency networks
    Configuration of a underwater frequency transfer system
    Simulation results of timing jitter PSD[39]. Curves (i)–(iii) are calculated from the Kolmogorov model; Curves (iv)–(vi) are calculated from the von Kármán model
    Timing fluctuation curves[49]. (a) Timing fluctuation of the underwater transmission link of 3 m; (b) Timing fluctuation of the underwater transmission link of 6 m; (c) Timing fluctuation of the underwater transmission link of 9 m; (d) Measurement floor for a short link
    Laser-based underwater frequency transfer based on electronic phase compensation technique[50]. PS: phase shifter; CW: continuous wave; PD: photodetector; PI: proportion–integration controller; HM: half reflected mirror
    Experimental results[50]. (a) Timing fluctuation curves: (i)-without compensation; (ii)-with compensation; (iii)-measurement floor; (b) Allan deviation curves: (i)-without compensation; (ii)-with compensation; (iii)-measurement floor
    Laser-based underwater frequency transfer based on optical phase compensation technique[51]. CW: continuous wave; λ/2: half-wave plate; PBS: polarization beam splitter; λ/4: quarter-wave plate; PD: photodetector; PI: proportion–integration controller; HM: half reflected mirror
    Experimental results [51]. (a) Timing fluctuation curves: (i)-without compensation; (ii)-with compensation; (iii)-measurement floor; (b) Allan deviation curves: (i)-without compensation; (ii)-with compensation; (iii)-measurement floor
    Laser-based multiple-access underwater frequency transfer based on terminal phase compensation technique[56]. TX: transmitting site; RX: receiving site; VCO: voltage-controlled oscillator; M1: mirror 1; M2: mirror 2; Mn: mirror n; λ/2: half-wave plate; PBS: polarization beam splitter; λ/4: quarter-wave plate; PD: photodiode; PI: proportion–integration controller
    Experimental results[56]. (a) Timing fluctuation curves: (i)-without compensation; (ii)-with compensation; (b) Allan deviation curves: (i)-free running VCO B; (ii)-without compensation; (iii)-with compensation; (iv)-commercial Cs clock Microsemi-5071A
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    Dong Hou, Junwei Ren, Guangkun Guo, Ke Liu. Progress on high-precision laser-based underwater frequency transfer[J]. Opto-Electronic Engineering, 2023, 50(2): 220149

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    Paper Information

    Category: Article

    Received: Jun. 30, 2022

    Accepted: Dec. 23, 2022

    Published Online: Apr. 13, 2023

    The Author Email: Hou Dong (houdong@uestc.edu.cn)

    DOI:10.12086/oee.2023.220149

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