Acta Optica Sinica, Volume. 38, Issue 10, 1006001(2018)

Narrow Linewidth All-Fiber Ring Filters

Xiaoqiong Qin1,2、*, Zujie Fang1, Kang Ying1、*, Fang Wei1, Zhaoyong Wang1, Qing Ye1, Zhengqing Pan1, Haiwen Cai1、*, and Ronghui Qu1
Author Affiliations
  • 1 Shanghai Key Laboratory of All Solid-State Laser and Applied Techniques, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2 University of Chinese Academy of Sciences, Beijing 100049, China
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    Figures & Tables(10)
    Schematic of filters. (a) Single-ring fiber filter; (b) double-ring fiber filter
    Reflection spectra. (a) Single-ring filter (Rg=0.01, κ2=0.2, L2=48 cm); (b) double-ring filter (Rg=0.01, κ1=0.4, L1=36 cm, κ2=0.9, L2=48 cm)
    Parameter requirements of single-ring filter
    Reflection spectra. (a) Single-ring filter (Rg=0.03, κ2=0.2, L2=48 cm); (b) double-ring filter (Rg=0.03, κ1=0.64, L1=36 cm, κ2=0.75, L2=48 cm)
    Effective group delay. (a) Sing-ring filter; (b) double-ring filter
    Measurement setup of filter’s reflection spectra
    Reflection spectra. (a) Single-ring filter (κ2=0.15, L2=51 cm); (b) double-ring filter (κ1=0.2, L1=60 cm, κ2=0.15, L2=51 cm)
    Reflection spectra. (a) Single-ring filter (Rg=92%, κ=0.15, L=50 cm); (b) double-ring filter (Rg=0.9%, κ1=0.2, L1=84 cm, κ2=0.15, L2=50 cm)
    Narrow linewidth fiber laser with sing-ring filter
    Homodyne beat signals
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    Xiaoqiong Qin, Zujie Fang, Kang Ying, Fang Wei, Zhaoyong Wang, Qing Ye, Zhengqing Pan, Haiwen Cai, Ronghui Qu. Narrow Linewidth All-Fiber Ring Filters[J]. Acta Optica Sinica, 2018, 38(10): 1006001

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    Paper Information

    Category: Fiber Optics and Optical Communications

    Received: Apr. 4, 2018

    Accepted: May. 8, 2018

    Published Online: May. 9, 2019

    The Author Email:

    DOI:10.3788/AOS201838.1006001

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