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<p>This paper proposes a&#xa0;Nd-doped mode-locked fiber laser based on the nonlinear polarization rotation (NPR) effect, achieving stable laser output in the 0.9 µm band. The experiment adopts a&#xa0;double-end pumping structure and utilizes reflective grating pairs to compensate for dispersion and suppress competition at the 1.06 µm band. At a&#xa0;pump power of 358 mW, the output laser exhibits a&#xa0;central wavelength of 906.56 nm, a&#xa0;3 dB bandwidth of 2.18 nm, a&#xa0;pulse width of 0.69 ps, and a&#xa0;signal-to-noise ratio exceeding 74 dB.</p>

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Research on 0.9 µm Nd-doped mode-locked fiber laser with dispersion compensation based on reflective grating pairs

  • 期刊论文

  • 发表日期：

    2026年4月14日

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  • Shuaizhen Zhou,
  • Yongming Yang,
  • Qiong Zhang,
  • Ming Li,
  • Xiaohan Chen

摘要

This paper proposes a Nd-doped mode-locked fiber laser based on the nonlinear polarization rotation (NPR) effect, achieving stable laser output in the 0.9 µm band. The experiment adopts a double-end pumping structure and utilizes reflective grating pairs to compensate for dispersion and suppress competition at the 1.06 µm band. At a pump power of 358 mW, the output laser exhibits a central wavelength of 906.56 nm, a 3 dB bandwidth of 2.18 nm, a pulse width of 0.69 ps, and a signal-to-noise ratio exceeding 74 dB.