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  • Received: Jul. 30, 2018

    Accepted: Sep. 27, 2018

    Posted: Jan. 17, 2019

    Published Online: Nov. 11, 2018

    The Author Email: Wanli Gao (1500017825@pku.edu.cn)

    DOI: 10.3788/COL201816.111401

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    Wanli Gao, Guanyu Liu, Zhigang Zhang. 44.6  fs pulses from a 257  MHz Er:fiber laser mode-locked by biased NALM[J]. Chinese Optics Letters, 2018, 16(11): 111401

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Chinese Optics Letters, Vol. 16, Issue 11, 111401 (2018)

44.6  fs pulses from a 257  MHz Er:fiber laser mode-locked by biased NALM

Wanli Gao*, Guanyu Liu, and Zhigang Zhang

Author Affiliations

  • State Key Laboratory of Advanced Optical Communication System and Networks, School of Electronics Engineering and Computer Science, Peking University, Beijing 100871, China

Abstract

44.6 fs pulses from a 257 MHz, mode-locked non-polarization maintaining Er-doped fiber laser based on a biased nonlinear amplifying loop mirror are reported. The output power is 104 mW and the single-pulse energy is 0.4 nJ. The minimum pulse duration of the direct output is 44.6 fs, which is the shortest in this kind of laser.