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  • Received: Nov. 11, 2019

    Accepted: Dec. 11, 2019

    Posted: Jan. 1, 2020

    Published Online: Jan. 9, 2020

    The Author Email: Hao Qiang (qianghao@usst.edu.cn)

    DOI: 10.3788/CJL202047.0115001

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    Pengpeng Yan, Hang Gong, Fei Ye, Chaoliang Cheng, Qingting Wang, Shiyu Lu, fei Chen, Tianye Wang, Tingting Liu, Zhengru Guo, Xuling Shen, Kangwen Yang, Qiang Hao, Heping Zeng. All Polarization-Maintaining Erbium-Doped Fiber Based Optical Comb[J]. Chinese Journal of Lasers, 2020, 47(1): 0115001

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Chinese Journal of Lasers, Vol. 47, Issue 1, 0115001 (2020)

All Polarization-Maintaining Erbium-Doped Fiber Based Optical Comb

Yan Pengpeng1, Gong Hang1, Ye Fei1, Cheng Chaoliang1, Wang Qingting1, Lu Shiyu1, Chen fei1, Wang Tianye1, Liu Tingting2, Guo Zhengru2, Shen Xuling2,3, Yang Kangwen1, Hao Qiang1,*, and Zeng Heping1,2,4

Author Affiliations

  • 1School of Optical Electrical Information and Computer Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
  • 2State Key Laboratory of Precision Spectroscopy Science and Technology, East China Normal University,Shanghai 200062, China
  • 3State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences, Shanghai 201800, China
  • 4Jinan Institute of Quantum Technology, Jinan, Shandong 250101, China

Abstract

An all polarization-maintaining fiber laser is established based on a nonlinear amplifying loop mirror, and thus a stable optical oscillator source is applied to an optical comb system which works outdoors. In this experiment, supercontinuum covering from 1000 nm to 2300 nm is produced by using two-level optical preamplification and high nonlinear fibers. The optimal signal-to-noise ratio of carrier-envelope offset frequency f0 detected by the collinear f-2f interferometer is 35 dB. Furthermore, the relationship between the net cavity dispersion and the linewidth of f0 is investigated. The narrowest linewidth of f0 in the free-running mode is narrowed to 5 kHz. Finally, the repetition rate fr and f0 are both phase-locked to a rubidium atomic clock. The standard deviations for fr and f0 are 780 μHz and 308 mHz, respectively. The fiber optic comb system guarantees compact size and excellent integration level.

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