Infrared and Laser Engineering, Volume. 51, Issue 1, 20210850(2022)

Recent progress of 1.7 μm ultrafast fiber lasers (Invited)

Zeyu Zhan... Jixiang Chen, Meng Liu, Aiping Luo, Wencheng Xu and Zhichao Luo* |Show fewer author(s)
Author Affiliations
  • School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510631, China
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    Figures & Tables(22)
    The output spectra obtained based on the soliton self-frequency shift effect[20]
    Experimental setup of wavelength tunable femtosecond light source based on high power erbium-doped fiber laser system[30]
    Filtered optical spectra from 2-cm HNLF. Measured autocorrelation traces (red solid line) and autocorrelation traces calculated from the transform-limited pulses (black dashed line)[30]
    Schematic of the 1.7 μm mode-locked bismuth-doped fiber laser[33]
    The autocorrelation traces of the pulse before the compression (red) and after the external pulse compression (blue). Inset: the output optical spectrum[33]
    Schematic of the NALM-based mode-locked bismuth-doped fiber laser at 1.7 μm[34]
    (a) Spectra and (b) autocorrelations of the oscillator and amplifier; (c) Pulse train of the oscillator pulses; (d) Autocorrelation trace of compressed pulse[34]
    [in Chinese]
    Schematic of the 1.7 μm Tm-Ho mode-locked fiber laser[24]
    (a) Spectrum and (b) the autocorrelation of the pulse obtained at 1735 nm[24]
    Schematic of the 1.7 μm mode-locked TDFL associated with the CPA system[41]
    Characterization of the 1.7 μm Tm-doped mode-locked fiber laser. (a) Optical spectrum; (b) RF spectrum; (c) Oscilloscope trace of the pulse train[41]
    (a) The optical spectra of the laser signal after CIR1, DCF, and CIR2. Inset: the measured power of the amplified laser versus the launched pump power and the corresponding linear fitting curve; (b) AC trace of the compressed pulse: measurement(black) and Gaussian fitting(red). Inset: RF spectrum of the amplified pulse[41]
    Schematic of the W-type NDTDF based master oscillator power fiber amplifier[44]
    (a) Spectra of amplified pulses with respect to pump power; (b) Output power versus pump power; (c) Measured autocorrelator trace at the full power[44]
    Schematic of the all-fiber ultrafast CPA based on NDTDF[45]
    Oscillator: (a) Output optical spectrum; (b) Trace of pulse trains; (c) RF spectrum; compressed pulses: (d) Output optical spectra; (e) Output power and pulse width versus launched pump power; (f) AC trace[45]
    Schematic of the dissipative soliton Tm-doped fiber laser[49]
    Single-pulse operation. (a) Mode-locked spectrum; (b) Pulse train, inset: pulse train over 60 μs; (c) The measured autocorrelation trace of the uncompressed output pulse (blue) and the compressed pulse (red); (d) RF spectrum[49]
    Schematic of the 1.7 µm Tm-doped CPA system[53]
    Optical spectra of the laser signal after the DCF (green), the pre- amplifier (blue) at the pump power of 1.5 W and the main-amplifier (red) at the pump power of 5 W. Inset: spectrum of main-amplifier[53]
    (a) Output power of amplified pulse versus launched pump power; (b) Measured compressed pulse spectrum at average power of 1.3 W; (c) Autocorrelation trace; (d) RF spectrum; Inset: RF spectrum over 500 MHz frequency range[53]
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    Zeyu Zhan, Jixiang Chen, Meng Liu, Aiping Luo, Wencheng Xu, Zhichao Luo. Recent progress of 1.7 μm ultrafast fiber lasers (Invited)[J]. Infrared and Laser Engineering, 2022, 51(1): 20210850

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    Paper Information

    Category: Lasers & Laser optics

    Received: Nov. 16, 2021

    Accepted: Dec. 15, 2021

    Published Online: Mar. 8, 2022

    The Author Email: Luo Zhichao (zcluo@scnu.edu.cn)

    DOI:10.3788/IRLA20210850

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