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Chinese Journal of Lasers, Volume. 45, Issue 12, 1206001(2018)

Trench-Assisted Fan-Segmented Cladding Fiber with Large Mode Area

Shinan Liu1、*, Tigang Ning1、*, Shaoshuo Ma1, Jingjing Zheng1, Jian Xu1, and Xiaodong Wen2
Author Affiliations
  • 1 Key Laboratory of All Optical Network & Advanced Telecommunication Network of EMC, Beijing Jiaotong University,Beijing 100044, China;
  • 2 College of Physics and Engineering, Qufu Normal University, Qufu, Shandong 273165, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (11)
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    Cited By (2)
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    Figures & Tables(11)
    Cross section of trench-assisted fan-segmented cladding fiber

    Fig. 1. Cross section of trench-assisted fan-segmented cladding fiber

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    Schematic of the bent fiber and the fiber cross sections corresponding to φ=0°, 15°, 22.5°, 45°, respectively

    Fig. 2. Schematic of the bent fiber and the fiber cross sections corresponding to φ=0°, 15°, 22.5°, 45°, respectively

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    Mode field distributions of LP01, LP11v, LP11h, LP02, LP21 and LP31 modes

    Fig. 3. Mode field distributions of LP01, LP11v, LP11h, LP02, LP21 and LP31 modes

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    Variation of the bending losses of LP01, LP11v, LP11h, LP21, LP31 and LP02 modes with the bending radius

    Fig. 4. Variation of the bending losses of LP01, LP11v, LP11h, LP21, LP31 and LP02 modes with the bending radius

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    Variation of the mode area of FM and loss ratio with the bending radius

    Fig. 5. Variation of the mode area of FM and loss ratio with the bending radius

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    Effect of core radius on fiber properties. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the core radius; (b) mode area of FM and loss ratio as a function of the core radius

    Fig. 6. Effect of core radius on fiber properties. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the core radius; (b) mode area of FM and loss ratio as a function of the core radius

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    Effect of trench width on fiber characteristics. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the trench width; (b) mode area of FM and loss ratio as a function of the trench width

    Fig. 7. Effect of trench width on fiber characteristics. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the trench width; (b) mode area of FM and loss ratio as a function of the trench width

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    Effect of resonant ring thickness on fiber characteristics. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the resonant ring thickness; (b) mode area of FM and loss ratio as a function of the resonant ring thickness

    Fig. 8. Effect of resonant ring thickness on fiber characteristics. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the resonant ring thickness; (b) mode area of FM and loss ratio as a function of the resonant ring thickness

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    Effect of wavelength on fiber characteristics. (a)Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the wavelength; (b) mode area of FM and loss ratio as a function of the wavelength

    Fig. 9. Effect of wavelength on fiber characteristics. (a)Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the wavelength; (b) mode area of FM and loss ratio as a function of the wavelength

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    Effect of bending orientation on fiber characteristics. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the bending orientation; (b) mode area of FM and loss ratio as a function of the bending orientation

    Fig. 10. Effect of bending orientation on fiber characteristics. (a) Variation of the leakage losses of LP01, LP11v and LP11h modes as a function of the bending orientation; (b) mode area of FM and loss ratio as a function of the bending orientation

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    • Table 1. Comparison between the trench-assisted fan-segmented cladding fiber and the general fan-segmented cladding fiber[18]

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      Table 1. Comparison between the trench-assisted fan-segmented cladding fiber and the general fan-segmented cladding fiber[18]

      ParameterValue
      Fan-segmented cladding fiberTrench-assisted fan-segmented cladding fiber
      Core radius a /μm18,19,2019,20,21
      Index difference Δn10.0030.003
      Index difference Δn200.005
      Trench width t /μm04
      Resonant ring thickness d /μm011
      Fan segment angle θ /(°)4545
      Fiber radius b /μm62.562.5
      Mode area /μm2645,701,758665,722,780
      FM loss /(dB·m-1)1.1,0.82,0.650.017,0.012,0.01
      Lowest-HOMs loss /(dB·m-1)22,14,9.59.1,2.7,1.0
      Loss ratio20,17,14526,217,100
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    Shinan Liu, Tigang Ning, Shaoshuo Ma, Jingjing Zheng, Jian Xu, Xiaodong Wen. Trench-Assisted Fan-Segmented Cladding Fiber with Large Mode Area[J]. Chinese Journal of Lasers, 2018, 45(12): 1206001

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    Paper Information

    Category: fiber optics and optical communications

    Received: May. 31, 2018

    Accepted: Jul. 27, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/CJL201845.1206001

    Topics

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