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Chinese Journal of Lasers, Volume. 48, Issue 1, 0106003(2021)

All-Optical Tunable Fiber Filter Based on Phosphate Glass Microspheres

Yufang Chen, Xiao Shen, Quan Zhou, Shuai Zhang, Jingyi Mao, and Hongdan Wan*
Author Affiliations
  • College of Electronic and Optical Engineering & College of Microelectronics, Nanjing University of Posts and Telecommunications, Nanjing, Jiangsu, 210023, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
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    References (29)
    Cited By (3)
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    Figures & Tables(8)
    Photo of the fabricated phosphate glass fiber

    Fig. 1. Photo of the fabricated phosphate glass fiber

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    Preparation of PGMS. (a) Collimating and focusing system of CO2 laser; (b) fabrication process

    Fig. 2. Preparation of PGMS. (a) Collimating and focusing system of CO2 laser; (b) fabrication process

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    Microscope images. (a) Couple of PGMS-taperrd fiber; (b) taperd fiber

    Fig. 3. Microscope images. (a) Couple of PGMS-taperrd fiber; (b) taperd fiber

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    Experimental setup of the proposed all-optical TFF based on PGMS

    Fig. 4. Experimental setup of the proposed all-optical TFF based on PGMS

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    Measured WGM resonance spectrum of the coupled PGMS-tapered fiber

    Fig. 5. Measured WGM resonance spectrum of the coupled PGMS-tapered fiber

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    Experimental results of the WGM resonance spectra of microcavity varing with power (μW) for PGMS. (a) WGM resonance spectra measured under different power; (b) relationship between wavelength shift and optical power

    Fig. 6. Experimental results of the WGM resonance spectra of microcavity varing with power (μW) for PGMS. (a) WGM resonance spectra measured under different power; (b) relationship between wavelength shift and optical power

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    Experimentel results of the WGM resonance spectra of microcavity varing with power (mW). (a)(b) PGMS; (c)(d) silica microsphere

    Fig. 7. Experimentel results of the WGM resonance spectra of microcavity varing with power (mW). (a)(b) PGMS; (c)(d) silica microsphere

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    • Table 1. Performance comparison of different optical fiber TFFs

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      Table 1. Performance comparison of different optical fiber TFFs

      Type of TFFQTuning methodSensitivity or range of tuning
      Sagnac filter with photonic crystal fiber[9]—Non-all-optical and mechanical12nm
      In-line Mach-Zehnder[10]—Non-all-optical and temperature control11.50nm
      In-line Fabry-Pérot[11]—Non-all-optical and mechanical167.41pm/mN
      Microtube resonator[13]3.10×104Non-all-optical and electrical thermal570pm
      Microring resonator[21]—All-optical43pm/mW
      Ours7.28×105All-optical72.727pm/mW
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    Yufang Chen, Xiao Shen, Quan Zhou, Shuai Zhang, Jingyi Mao, Hongdan Wan. All-Optical Tunable Fiber Filter Based on Phosphate Glass Microspheres[J]. Chinese Journal of Lasers, 2021, 48(1): 0106003

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    Paper Information

    Category: fiber optics and optical communications

    Received: Jul. 6, 2020

    Accepted: Aug. 18, 2020

    Published Online: Jan. 13, 2021

    The Author Email: Wan Hongdan (hdwan@njupt.edu.cn)

    DOI:10.3788/CJL202148.0106003

    Topics

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