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Acta Optica Sinica, Volume. 39, Issue 2, 0206004(2019)

Design and Experimental Verification of Dispersion Measurement Prototype

Beibei Xu1、*, Lixia Xi1、*, Xiaoguang Zhang1, Xianfeng Tang1, and Wenbo Zhang2
Author Affiliations
  • 1 State Key Laboratory of Information Photonics and Optical Communications, Beijing 100876, China
  • 2 College of Sciences, University of Posts and Telecommunications, Beijing 100876, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (10)
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    Figures & Tables(10)
    Principle diagram of measurement by modulation phase shift method

    Fig. 1. Principle diagram of measurement by modulation phase shift method

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    Design of improved circuit

    Fig. 2. Design of improved circuit

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    Flow chart of data processing

    Fig. 3. Flow chart of data processing

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    Phase difference response of AD8302

    Fig. 4. Phase difference response of AD8302

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    Block diagram of overall system design

    Fig. 5. Block diagram of overall system design

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    Phase shift versus wavelength under different bands. (a) C band; (b) L band

    Fig. 6. Phase shift versus wavelength under different bands. (a) C band; (b) L band

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    Phase shift increment versus wavelength

    Fig. 7. Phase shift increment versus wavelength

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    Measurement value and fitting curve of dispersion coefficient under different wavelengths

    Fig. 8. Measurement value and fitting curve of dispersion coefficient under different wavelengths

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    • Table 1. Accumulated dispersion of G.652 single mode fibers with different lengths

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      Table 1. Accumulated dispersion of G.652 single mode fibers with different lengths

      Fiber length /km20.240.450.270.4100.4
      Fitted dispersion /(ps·nm-1)342.5684.4850.81192.51704.4
      Theoretical dispersion /(ps·nm-1)343.4686.8853.41196.81706.8
      Dispersion of FTB-5700 /(ps·nm-1)339.4682.7852.41194.91696.7

    • Table 2. Accumulated dispersion of G.652 single mode fibers with same length

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      Table 2. Accumulated dispersion of G.652 single mode fibers with same length

      Fiber length /kmDispersion of prototype /(ps·nm-1)Dispersion of FTB-5700 /(ps·nm-1)
      50.2 (Fiber A)850.8848.4
      50.2 (Fiber B)850.6848.1
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    Beibei Xu, Lixia Xi, Xiaoguang Zhang, Xianfeng Tang, Wenbo Zhang. Design and Experimental Verification of Dispersion Measurement Prototype[J]. Acta Optica Sinica, 2019, 39(2): 0206004

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Jun. 6, 2018

    Accepted: Sep. 29, 2018

    Published Online: May. 10, 2019

    The Author Email:

    DOI:10.3788/AOS201939.0206004

    Topics

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