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Acta Optica Sinica, Volume. 43, Issue 20, 2006003(2023)

Coherent Demultiplexing of Vortex Beam Multiplexing Transmission

Shangjun Yang1, Mengru Li1, Chenghu Ke2, Deqiang Ding3、*, and Xizheng Ke1,4
Author Affiliations
  • 1School of Automation and Information Engineering, Xi'an University of Technology, Xi'an 710048, Shaanxi, China
  • 2School of Information Engineering, Xi'an University, Xi'an 710065, Shaanxi, China
  • 3School of Information Communication, National University of Defense Technology, Wuhan 430035, Hubei, China
  • 4Shaanxi Civil-Military Integration Key Laboratory of Intelligence Collaborative Networks, Xi'an 710048, Shaanxi, China
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    AbstractGet PDF(in Chinese)
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    References (32)
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    Figures & Tables(9)
    Structure of OAM multiplexing coherent detection system for optical wireless communication

    Fig. 1. Structure of OAM multiplexing coherent detection system for optical wireless communication

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    Schematic diagram of transmitter and receiver. (a) Transmitter; (b) receiver

    Fig. 2. Schematic diagram of transmitter and receiver. (a) Transmitter; (b) receiver

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    Adaptive optics system at downlink receiving end

    Fig. 3. Adaptive optics system at downlink receiving end

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    Coherent gain of signal light and LO light with different topological charges. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

    Fig. 4. Coherent gain of signal light and LO light with different topological charges. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

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    Change of coherent gain of signal light with different topological charges transmitting at different altitudes. (a) ls1=1; (b) ls2=2; (c) ls3=3; (d) ls4=4

    Fig. 5. Change of coherent gain of signal light with different topological charges transmitting at different altitudes. (a) ls1=1; (b) ls2=2; (c) ls3=3; (d) ls4=4

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    Change of coherent gain of signal light with different topological charges transmitting different transmission distances. (a) ls1=1; (b) ls2=2; (c) ls3=3; (d) ls4=4

    Fig. 6. Change of coherent gain of signal light with different topological charges transmitting different transmission distances. (a) ls1=1; (b) ls2=2; (c) ls3=3; (d) ls4=4

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    Coherent gain of signal light with different topological charges after transmission and crosstalk among modes. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

    Fig. 7. Coherent gain of signal light with different topological charges after transmission and crosstalk among modes. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

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    Change of system bit error rate with transmission distance. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

    Fig. 8. Change of system bit error rate with transmission distance. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

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    Change of channel capacity with transmission distance. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

    Fig. 9. Change of channel capacity with transmission distance. (a) Uplink uncorrected; (b) uplink corrected; (c) downlink uncorrected; (d) downlink corrected

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    Shangjun Yang, Mengru Li, Chenghu Ke, Deqiang Ding, Xizheng Ke. Coherent Demultiplexing of Vortex Beam Multiplexing Transmission[J]. Acta Optica Sinica, 2023, 43(20): 2006003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Mar. 29, 2023

    Accepted: May. 15, 2023

    Published Online: Oct. 13, 2023

    The Author Email: Ding Deqiang (dingdeqiang17@nudt.edu.cn)

    DOI:10.3788/AOS230728

    Topics

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