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Chinese Journal of Lasers, Volume. 51, Issue 2, 0201007(2024)

Green‑Pumped Kerr‑Lens Mode‑Locked Alexandrite Laser

Yunxiao Yang1,4, Yang Yu2, Wenlong Tian1、*, Jiangfeng Zhu1、**, and Zhiyi Wei3
Author Affiliations
  • 1School of Optoelectronic Engineering, Xidian University, Xi’an 710071, Shaanxi , China
  • 2Academy of Advanced Interdisciplinary Research, Xidian University, Xi’an 710071, Shaanxi , China
  • 3Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China
  • 4China Jiangnan Space Industry Company Group, Guiyang 550009, Guizhou , China
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    AbstractGet PDF(in Chinese)
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    Figures & Tables(5)
    Schematic of experimental apparatus of KLM alexandrite laser pumped by green laser

    Fig. 1. Schematic of experimental apparatus of KLM alexandrite laser pumped by green laser

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    Results of CW experiment. (a) CW output power curves; (b) CW output spectrum

    Fig. 2. Results of CW experiment. (a) CW output power curves; (b) CW output spectrum

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    Results of mode-locking experiment. (a) Measured mode-locking spectrum; (b) auto-correlation measurement curve fitted by hyperbolic secant function; (c) auto-correlation measurement curve fitted by Lorentz function

    Fig. 3. Results of mode-locking experiment. (a) Measured mode-locking spectrum; (b) auto-correlation measurement curve fitted by hyperbolic secant function; (c) auto-correlation measurement curve fitted by Lorentz function

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    Mode-locked pulse trains. (a) 20 ns time scale; (b) 10 ns time scale

    Fig. 4. Mode-locked pulse trains. (a) 20 ns time scale; (b) 10 ns time scale

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    • Table 1. Performance comparison of mode-locked alexandrite lasers pumped by green laser

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      Table 1. Performance comparison of mode-locked alexandrite lasers pumped by green laser

      Pump wavelength /nmMode‑locked methodAverage power /mWCenter wavelength /nmSpectral width /nmPulse width /fsFrequency /MHzYearInstitution
      532Kerr‑lens mode locking7807553.6170802016University of Manitoba， Canada
      532InP/InGaP quantum‑dot saturable absorber mode locking2957551.838079.92018University of Manitoba， Canada
      532Kerr‑lens mode locking47509705.62018Koç University， Turkey
      532Graphene saturable absorber mode locking87509655.562018Koç University， Turkey
      532Kerr‑lens mode locking3697496.386922023Xidian University， China
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    Yunxiao Yang, Yang Yu, Wenlong Tian, Jiangfeng Zhu, Zhiyi Wei. Green‑Pumped Kerr‑Lens Mode‑Locked Alexandrite Laser[J]. Chinese Journal of Lasers, 2024, 51(2): 0201007

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    Paper Information

    Category: laser devices and laser physics

    Received: Mar. 23, 2023

    Accepted: Jun. 19, 2023

    Published Online: Jan. 8, 2024

    The Author Email: Tian Wenlong (wltian@xidian.edu.cn), Zhu Jiangfeng (jfzhu@xidian.edu.cn)

    DOI:10.3788/CJL230641

    CSTR:32183.14.CJL230641

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology