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Acta Optica Sinica, Volume. 40, Issue 23, 2306003(2020)

All-Fiber Polarization-Dependent Device Based on 45° Radiated Tilted Fiber Grating

Qingguo Song1, Chengjun Huang1, Zhijun Yan1、*, Qizhen Sun1, Deming Liu1, and Lin Zhang2
Author Affiliations
  • 1School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
  • 2Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
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    Characteristic diagram of 45° RTFG

    Fig. 1. Characteristic diagram of 45° RTFG

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    Simulation of 45° RTFG radiation mode angular distribution and axial distribution

    Fig. 2. Simulation of 45° RTFG radiation mode angular distribution and axial distribution

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    Parameter simulation of 45° RTFG. (a) Transmission spectrum simulation of light with S and P polarization states; (b) PER simulation

    Fig. 3. Parameter simulation of 45° RTFG. (a) Transmission spectrum simulation of light with S and P polarization states; (b) PER simulation

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    Preparation of 45° RTFG. (a) Grating preparation system; (b) microstructure of 45° RTFG

    Fig. 4. Preparation of 45° RTFG. (a) Grating preparation system; (b) microstructure of 45° RTFG

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    Radiation mode distribution experiment of 45° RTFG. (a) Experimental setup; (b) experimental and simulation results of radiation mode distribution along azimuthal direction; (c) experimental and simulation results of radiation mode distribution along axial direction

    Fig. 5. Radiation mode distribution experiment of 45° RTFG. (a) Experimental setup; (b) experimental and simulation results of radiation mode distribution along azimuthal direction; (c) experimental and simulation results of radiation mode distribution along axial direction

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    Diffraction characteristics of 45° RTFG. (a) Experiment setup; (b) diffraction angle versus wavelength

    Fig. 6. Diffraction characteristics of 45° RTFG. (a) Experiment setup; (b) diffraction angle versus wavelength

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    Polarization characteristics of 45° RTFG. (a) Transmission spectra; (b) polarization distribution; (c) PER spectrum profile; (d) relationship between PER and grating length

    Fig. 7. Polarization characteristics of 45° RTFG. (a) Transmission spectra; (b) polarization distribution; (c) PER spectrum profile; (d) relationship between PER and grating length

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    Qingguo Song, Chengjun Huang, Zhijun Yan, Qizhen Sun, Deming Liu, Lin Zhang. All-Fiber Polarization-Dependent Device Based on 45° Radiated Tilted Fiber Grating[J]. Acta Optica Sinica, 2020, 40(23): 2306003

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jul. 16, 2020

    Accepted: Aug. 19, 2020

    Published Online: Nov. 23, 2020

    The Author Email: Yan Zhijun (yanzhijun@gmail.com)

    DOI:10.3788/AOS202040.2306003

    Topics

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