Chinese Optics Letters, Volume. 20, Issue 1, 012201(2022)

Theoretical and experimental analysis of second order Bragg resonance of 45° TFG and its fiber laser application Editors' Pick

Qingguo Song1... Bolin Ye2, Xiangpeng Xiao1, Chengjun Huang1, Chengbo Mou3, Zhijun Yan1,* and Lin Zhang4 |Show fewer author(s)
Author Affiliations
  • 1School of Optical and Electronic Information, NGIA, Huazhong University of Science and Technology, Wuhan 430074, China
  • 2Shenzhen Techwinsemi Optoelectronic Co., Ltd., Shenzhen 518000, China
  • 3Key Laboratory of Specialty Fiber Optics and Optical Access Networks, Shanghai Institute for Advanced Communication and Data Science, Joint International Research Laboratory of Specialty Fiber Optics and Advanced Communication, Shanghai University, Shanghai 200444, China
  • 4Aston Institute of Photonic Technologies, Aston University, Birmingham B4 7ET, UK
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    Figures & Tables(6)
    (a) Simulation of normalized index change at different exposure time; (b) simulation of second order reflectivity against exposure time.
    (a) Experimental and theoretical relationship between the 2nd-OBR wavelength and the grating tilt angle; (b) 2nd-OBR strength against the tilt angle.
    Measured PDL spectra of the corresponding grating within 30 nm spectrum range showing 2nd-OBR in both p polarization and s polarization.
    Schematic of the demonstrated fiber laser using the 2nd-OBR generated by a 45° TFG.
    (a) Typical output spectrum of the fiber laser; (b) slope efficiency of the fiber laser.
    (a) PER spectra of the laser; (b) tuning ability demonstration of the fiber laser; (c) temperature sensitivity of the fiber laser; (d) output wavelength and amplitude variation of the fiber laser within 1 h in laboratory conditions.
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    Qingguo Song, Bolin Ye, Xiangpeng Xiao, Chengjun Huang, Chengbo Mou, Zhijun Yan, Lin Zhang, "Theoretical and experimental analysis of second order Bragg resonance of 45° TFG and its fiber laser application," Chin. Opt. Lett. 20, 012201 (2022)

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    Paper Information

    Category: Optical Design and Fabrication

    Received: May. 11, 2021

    Accepted: Jul. 30, 2021

    Posted: Aug. 2, 2021

    Published Online: Oct. 8, 2021

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

    DOI:10.3788/COL202220.012201

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