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Femtosecond laser direct writing of Nd:YLF cladding waveguides for efficient 1047-nm laser emission
Optical Materials Express ( IF 2.8 ) Pub Date : 2021-08-10 , DOI: 10.1364/ome.435194
Shixiang Wang , Xiaoli Sun , Hongliang Liu , Yingying Ren , Yuechen Jia , Feng Chen

In this work, to the best of our knowledge, the first demonstration of 1047-nm Q-switched mode-locked Nd:YLF cladding waveguide lasers fabricated by femtosecond laser direct writing (FsLDW) is reported. Modulated by Gr-ReS2-Gr heterostructure film, the fabricated waveguide laser delivers laser pulses with a pulse duration of as short as 31 ps at a fundamental repetition rate of up to 9.55 GHz. The maximum output power under the pulsed regime is determined to be 300 mW with a slope efficiency of 31.77%. The result in this work indicates promising applications of Gr-ReS2-Gr heterostructure film for modulation of ultrafast pulsed laser and compact Nd:YLF waveguide lasers for integrated photonics.

中文翻译:

飞秒激光直写 Nd:YLF 包层波导,用于高效的 1047 nm 激光发射

在这项工作中,据我们所知,首次展示了通过飞秒激光直写 (FsLDW) 制造的 1047 nm Q开关锁模 Nd:YLF 包层波导激光器。通过 Gr-ReS 2 -Gr 异质结构薄膜调制,制造的波导激光器以高达 9.55 GHz 的基本重复率提供脉冲持续时间短至 31 ps 的激光脉冲。脉冲状态下的最大输出功率确定为 300 mW,斜率效率为 31.77%。这项工作的结果表明,Gr-ReS 2 -Gr 异质结构薄膜在调制超快脉冲激光器和用于集成光子学的紧凑型 Nd:YLF 波导激光器中具有广阔的应用前景。
更新日期:2021-09-02
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