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Chinese Journal of Lasers, Volume. 52, Issue 2, 0208001(2025)

High-Beam-Quality and Narrow-Linewidth Picosecond Optical Parametric Oscillator Based on KTiOAsO4

Xiazhuo Jiao1, Mailikeguli Aihemaiti1, Yuxia Zhou1,2、*, Subinuer Yakufu1, Jianqiang Ye1, and Xining Yang1、**
Author Affiliations
  • 1Xinjiang Key Laboratory for Luminescence Minerals and Optical Functional Materials, College of Physics and Electronic Engineering, Xinjiang Normal University, Urumqi 830054, Xinjiang , China
  • 2College of Chemistry and Chemical Engineering, Xinjiang Normal University, Urumqi 830054, Xinjiang , China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (8)
    Equations (0)
    References (32)
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    Paper Information
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    Figures & Tables(8)
    Schematic of the picosecond pulse synchronously pumped KTA-OPO

    Fig. 1. Schematic of the picosecond pulse synchronously pumped KTA-OPO

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    Images showing the spatial intensity distributions of pump, signal and idler fields. (a) Pump field; (b) signal field; (c) idler field

    Fig. 2. Images showing the spatial intensity distributions of pump, signal and idler fields. (a) Pump field; (b) signal field; (c) idler field

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    Beam quality factors (M2) of the output beams. (a) Signal beam; (b) idler beam

    Fig. 3. Beam quality factors (M2) of the output beams. (a) Signal beam; (b) idler beam

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    Signal and idler output power as a function of pump power

    Fig. 4. Signal and idler output power as a function of pump power

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    Output power stability of the signal and idler beams

    Fig. 5. Output power stability of the signal and idler beams

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    Spectra of signal and idler beams, where the insets show the spectral bandwidth of the signal and idler beams. (a) Signal beam; (b) idler beam

    Fig. 6. Spectra of signal and idler beams, where the insets show the spectral bandwidth of the signal and idler beams. (a) Signal beam; (b) idler beam

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    • Table 0. [in Chinese]

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      Table 0. [in Chinese]

      Pump sourceNonlinear process & materialOutput power & conversion efficiencyPower stabilityM2FWHMRef.
      Nd∶YAG-RA + Nd∶YVO4laser, 10.4 ps, 1064 nm, 1.08 W @ 10 kHz, 0.99 W @ 5 kHz

      SSR-OPO

      KTA(θ=41.4°, φ=0°)

      the OPO in a ps RA

      108 mW @ signal-5 kHz;

      126 mW @ signal-10 kHz

      		1.85 @ signal-5 kHz1.63 nm @ 1532.2 nm[31]
      Nd∶YVO4 laser, 18.5 W, 1064 nm, 15 ps, 120 MHz

      SSR-OPO

      KTA (θ=90°, φ=0°)

      3.55 W @ signal, 27.8%;

      1.75 W @ idler, 13.6%

      1.6% (RMS) @ signal;

      1.5% (RMS) @ idler (6 h)

      ≈1.12 @ 1535 nm;

      ≈1.17 @ 3468 nm

      0.27 nm @ 1535 nm;

      0.75 nm @ 3468 nm

      		Ours

    • Table 1. Research achievements on generating near- mid-IR laser with narrow bandwidth, high beam quality and high power stability based on OPOs

      View table

      Table 1. Research achievements on generating near- mid-IR laser with narrow bandwidth, high beam quality and high power stability based on OPOs

      Pump sourceNonlinear process & materialOutput power & conversion efficiencyPower stabilityM2FWHMRef.
      (PM) YDF MOPA system, 33.8 W, 1040 nm, 137 ps, 1 MHz

      SSR-OPO+HCF

      MgO∶PPLN

      10.05 W @ signal, 44.1%;

      5.13 W @ idler, 22.1%

      1.3% (RMS) @ signal;

      1.6% (RMS) @ idler (1 h)

      At low pump power:

      <1.37 @ signal

      <1.94 @ idler

      At high pump power:

      <3.26 @ signal

      <3.77 @ idler

      0.09 nm @ 1599.7 nm;

      7.49 nm @ 2967 nm

      		[24]
      Yb-fiber laser, 11 W, 1064 nm, 20 ps, 80 MHz

      ISR-OPO

      MgO∶PPLN

      4.3 W @ signal, 38.2%;

      1 W @ ilder, 9.5%

      		0.31% (RMS) @ 3340 nm (1 h)

      1.11 @ 1561 nm;

      1.06 @ 3340 nm

      0.68 nm @ 1565 nm;

      9.5 nm @ 3322 nm

      		[26]
      Yb-fiber laser, 10 W, 1064 nm, 20 ps, 80 MHz

      ISR-OPO

      MgO∶PPLN

      3.7 W @ signal, 37%;

      1.2 W @ ilder-SHG, 12%

      0.6% (RMS) @ 1780 nm;

      3% (RMS) @ 1324 nm (1 h)

      1.9 @ signal;

      1.95 @ idler-SHG

      		2.6 nm @ 1392 nm[27]
      Nd∶YVO4 laser, 19 W,1064 nm, 15 ps, 120 MHz

      SSR-OPO

      MgO∶PPLN

      8.67 W @ 1.74 μm, 45.63%;

      5.61 W @ 2.73 μm, 29.52%

      		3% (RMS) @ 3262 nm (2 h)1.3 @ 3262 nm

      2.09 nm @ 1579 nm;

      1.42 nm @ 3262 nm

      		[16]
      Nd∶YVO4 laser, 29 W, 1064 nm, 7 ps, 83.4 MHz

      SSR-OPO

      KTA (θ=90°, φ=0°)

      14.6 W @ 1535 nm;

      6.4 W @ 3468 nm

      		[29]
      Nd∶YAG-RA+Nd∶YVO4laser, 9 ps, 1064 nm, 1.7 W, 10 kHz

      SSR-OPO

      KTA (θ=90°, φ=0°)

      the OPO in a ps RA

      		305 mW @ signal1.4 @ signal0.96 nm @ 1533 nm[30]
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    Xiazhuo Jiao, Mailikeguli Aihemaiti, Yuxia Zhou, Subinuer Yakufu, Jianqiang Ye, Xining Yang. High-Beam-Quality and Narrow-Linewidth Picosecond Optical Parametric Oscillator Based on KTiOAsO4[J]. Chinese Journal of Lasers, 2025, 52(2): 0208001

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    Paper Information

    Category: nonlinear optics

    Received: May. 10, 2024

    Accepted: Jul. 22, 2024

    Published Online: Jan. 15, 2025

    The Author Email: Zhou Yuxia (zhou_yx0801@sina.com), Yang Xining (yangxn1984@126.com)

    DOI:10.3788/CJL240865

    CSTR:32183.14.CJL240865

    Topics

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