Chinese Optics Letters, Volume. 19, Issue 9, 091401(2021)

High power Yb-fiber laser amplifier based on nonlinear chirped-pulse amplification at a repetition rate of 1 MHz

Renchong Lü1,2, Hao Teng2,5、*, Jiangfeng Zhu1、**, Yang Yu1,2, Wei Liu4, Guoqing Chang2, and Zhiyi Wei2,3,5、***
Author Affiliations
  • 1School of Physics and Optoelectronic Engineering, Xidian University, Xi’an 710071, China
  • 2Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 3School of Physical Science, University of Chinese Academy of Sciences, Beijing 100049, China
  • 4School of Physics and Astronomy, Sun Yat-sen University, Zhuhai 519082, China
  • 5Songshan Lake Materials Laboratory, Dongguan 523808, China
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    Figures & Tables(6)
    Schematic of the NCPA system. BPF, bandpass filter; WDM, wavelength division multiplex; SM-LD, single-mode laser diode; YDF, Yb-doped gain fiber; PDG, pulse delay generator; AOM, acoustic optical modulator; PDOI, polarization dependent optical isolator; MM-LD, multi-mode laser diode; DM, dichromic mirror; TG, transmission grating; HR, high reflecting mirror; PCF, photonic crystal fiber.
    (a) RF spectrum of the oscillator. (b) The AC trace of the laser pulses from the oscillator.
    Comparison of the transmission spectra after the BPF and the oscillator.
    (a) Spectral distribution from amplified pulses on linear and logarithmic (inset) scale; (b) AC trace of compressed pulses.
    (a) Dependence of output power versus the pump power for the main amplifier; (b) measured power stability and pulse train; (c) M2 value of this NCPA system.
    AC traces at different pulse energies (a)–(c) with BPF and (d)–(f) without BPF.
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    Renchong Lü, Hao Teng, Jiangfeng Zhu, Yang Yu, Wei Liu, Guoqing Chang, Zhiyi Wei. High power Yb-fiber laser amplifier based on nonlinear chirped-pulse amplification at a repetition rate of 1 MHz[J]. Chinese Optics Letters, 2021, 19(9): 091401

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    Paper Information

    Category: Lasers, Optical Amplifiers, and Laser Optics

    Received: Dec. 30, 2020

    Accepted: Feb. 26, 2021

    Published Online: Jun. 2, 2021

    The Author Email: Hao Teng (hteng@iphy.ac.cn), Jiangfeng Zhu (jfzhu@xidian.edu.cn), Zhiyi Wei (zywei@iphy.ac.cn)

    DOI:10.3788/COL202119.091401

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