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All-fiber-based laser with 200 mHz linewidth

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摘要

We demonstrate frequency stabilization of a 1.55 μm erbium-doped fiber laser by locking it to a 5-km-long optical fiber delay line (FDL). The stabilized laser is characterized via comparison with a second identical laser system. We obtain fractional frequency stability of better than 3*10-15 over timescales of 1–10 s and a laser linewidth of 0.2 Hz, which is the narrowest linewidth of an FDL-stabilized laser observed to date.

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作者单位:

    University of the Chinese Academy of Sciences
    University of the Chinese Academy of Sciences
    University of the Chinese Academy of Sciences
    University of the Chinese Academy of Sciences
    Shanghai Institute of Optics and Fine Mechanics
    Shanghai Institute of Optics and Fine Mechanics
    Shanghai Institute of Optics and Fine Mechanics

引用该论文

Huang Junchao,Wang Lingke,Duan Yifei,Huang Yafeng,ye meifeng,Liu Liang,Li Tang. All-fiber-based laser with 200 mHz linewidth[J].Chinese Optics Letters,2019,17(7):07.