• Chinese Journal of Lasers
  • Vol. 47, Issue 11, 1106003 (2020)
Jin Zhiming1、2、3, Tong Shoufeng1、2, Yu Xiaonan1、2, Song Yansong1、2, Zhang Lei1、2, and Zhao Baiqiu1、2
Author Affiliations
  • 1National and Local Joint Engineering Research Center of Space and Optoelectronics Technology, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 2Fundamental Science on Space-Ground Laser Communication Technology Laboratory, Changchun University of Science and Technology, Changchun, Jilin 130022, China
  • 3College of Photoelectric Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, China
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    DOI: 10.3788/CJL202047.1106003 Cite this Article Set citation alerts
    Jin Zhiming, Tong Shoufeng, Yu Xiaonan, Song Yansong, Zhang Lei, Zhao Baiqiu. Research on Nutation Coupling of Single-Mode Fiber Based on Peak Power Feedback[J]. Chinese Journal of Lasers, 2020, 47(11): 1106003 Copy Citation Text show less
    Schematic diagram of nutation convergence process. (a) First stage; (b) second stage; (c) third stage; (d) fourth stage
    Fig. 1. Schematic diagram of nutation convergence process. (a) First stage; (b) second stage; (c) third stage; (d) fourth stage
    Spatial location of nutation coupling
    Fig. 2. Spatial location of nutation coupling
    Principle of nutation coupling
    Fig. 3. Principle of nutation coupling
    Flow chart of our algorithm
    Fig. 4. Flow chart of our algorithm
    Experimental setup. (a) Schematic diagram; (b) physical diagram
    Fig. 5. Experimental setup. (a) Schematic diagram; (b) physical diagram
    Optical power change during nutation convergence
    Fig. 6. Optical power change during nutation convergence
    Coupling range under system tracking state
    Fig. 7. Coupling range under system tracking state
    Received optical power of the photodetector under different disturbances. (a) Disturbance1; (b) disturbance2
    Fig. 8. Received optical power of the photodetector under different disturbances. (a) Disturbance1; (b) disturbance2
    Coupling efficiency under different angle errors
    Fig. 9. Coupling efficiency under different angle errors
    Test results when the signal-to-noise ratio is 13.1 dB. (a) Power received by the detector; (b) average coupling efficiency of the system
    Fig. 10. Test results when the signal-to-noise ratio is 13.1 dB. (a) Power received by the detector; (b) average coupling efficiency of the system
    Test results when the signal-to-noise ratio is 7.9 dB. (a) Power received by the detector; (b) average coupling efficiency of the system
    Fig. 11. Test results when the signal-to-noise ratio is 7.9 dB. (a) Power received by the detector; (b) average coupling efficiency of the system
    Test results when the signal-to-noise ratio is 4.6 dB. (a) Power received by the detector; (b) average coupling efficiency of the system
    Fig. 12. Test results when the signal-to-noise ratio is 4.6 dB. (a) Power received by the detector; (b) average coupling efficiency of the system
    IndexTypical value
    Nutation radius /μm0.43
    Convergence step /μm0.52
    Sampling number /point50
    Responding speed /Hz40
    Capture range /mrad×mrad8×8
    Table 1. Parameters of nutation coupling system
    Jin Zhiming, Tong Shoufeng, Yu Xiaonan, Song Yansong, Zhang Lei, Zhao Baiqiu. Research on Nutation Coupling of Single-Mode Fiber Based on Peak Power Feedback[J]. Chinese Journal of Lasers, 2020, 47(11): 1106003
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