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Acta Optica Sinica, Volume. 41, Issue 19, 1901001(2021)

Simulation on Dynamic Turbulence Compensation of Few-Mode Fiber Coupling Demultiplexing System Based on SPGD Algorithm

Jie Jiang1,2、***, Hongxiang Guo1,2、*, Yiming Bian1,2, Yan Li1,2, Jifang Qiu1,2, Xiaobin Hong1,2, Wei Li1,2, Yong Zuo1,2, and Jian Wu1,2、**
Author Affiliations
  • 1School of Electronic Engineering, Beijing University of Posts and Telecommunications, Beijing 100876, China
  • 2State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing 100876, China
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    Figures & Tables(19)
    Simulation schematic of space optical communication system

    Fig. 1. Simulation schematic of space optical communication system

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    Phase screens with different turbulence intensities. (a)—(d) Turbulence intensity is 2，4，8，16, respectively

    Fig. 2. Phase screens with different turbulence intensities. (a)—(d) Turbulence intensity is 2，4，8，16, respectively

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    Simulation schematic of dynamic turbulence phase screen

    Fig. 3. Simulation schematic of dynamic turbulence phase screen

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    Log-normal curve fitting of coupling efficiency of single-mode fiber under different turbulence intensities. (a)—(d) Turbulence intensity is 2，4，8，16, respectively

    Fig. 4. Log-normal curve fitting of coupling efficiency of single-mode fiber under different turbulence intensities. (a)—(d) Turbulence intensity is 2，4，8，16, respectively

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    SPGD iteration curve for static turbulence

    Fig. 5. SPGD iteration curve for static turbulence

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    Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝2. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 6. Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝2. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝4. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 7. Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝4. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝8. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 8. Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝8. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝16. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 9. Coupling efficiency curves of single-mode and two-mode fiber when there is no SPGD algorithm correction, D/r0＝16. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝2. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 10. Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝2. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝4. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 11. Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝4. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝8. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 12. Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝8. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝16. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 13. Coupling efficiency curves of single-mode and two-mode fiber after correction by SPGD algorithm, when D/r0＝16. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Average value of fiber coupling efficiency. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 14. Average value of fiber coupling efficiency. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Histogram of statistical distribution of fiber coupling efficiency when D/r0＝2. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 15. Histogram of statistical distribution of fiber coupling efficiency when D/r0＝2. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Histogram of statistical distribution of fiber coupling efficiency when D/r0＝4. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 16. Histogram of statistical distribution of fiber coupling efficiency when D/r0＝4. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Histogram of statistical distribution of fiber coupling efficiency when D/r0＝8. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 17. Histogram of statistical distribution of fiber coupling efficiency when D/r0＝8. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Histogram of statistical distribution of fiber coupling efficiency when D/r0＝16. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 18. Histogram of statistical distribution of fiber coupling efficiency when D/r0＝16. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Relative standard deviation of fiber coupling efficiency. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

    Fig. 19. Relative standard deviation of fiber coupling efficiency. (a)—(c) Wind speed is 0.94, 4.69, 9.38 m/s, respectively

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    Jie Jiang, Hongxiang Guo, Yiming Bian, Yan Li, Jifang Qiu, Xiaobin Hong, Wei Li, Yong Zuo, Jian Wu. Simulation on Dynamic Turbulence Compensation of Few-Mode Fiber Coupling Demultiplexing System Based on SPGD Algorithm[J]. Acta Optica Sinica, 2021, 41(19): 1901001

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    Paper Information

    Category: Atmospheric Optics and Oceanic Optics

    Received: Mar. 4, 2021

    Accepted: Apr. 19, 2021

    Published Online: Oct. 9, 2021

    The Author Email: Jiang Jie (2453977635@qq.com), Guo Hongxiang (hxguo@bupt.edu.cn), Wu Jian (jianwu@bupt.edu.cn)

    DOI:10.3788/AOS202141.1901001

    Topics

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