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Unlocking the ultrafast potential of gold nanowires for mode-locking in the mid-infrared region

机译：在中红外区域解锁金纳米线的超快电位

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摘要

In this Letter, we present the mode-locking operation of a 2.87 mu m Ho3+/Pr3+ codoped fluoride fiber laser, helped by the ultrafast nonlinear optical absorption behavior of gold nanowires (GNWs). The mode locker is fabricated by depositing the GNW solution onto a silver mirror. It has a modulation depth of 14.2%, a saturation intensity of 26.2MW/cm(2), and a non-saturation loss of 29.9% at 2.87 mu m. With an increased pump power, the laser operates in Q-switched mode-locking, fundamental mode-locking, and harmonic mode-locking (HML) states. This represents the first, to our knowledge, mid-infrared mode-locked laser using gold nanomaterials. Additionally, the HML is also the first observation in a laser in this band using material saturable absorbers, implying the capability of GNWs for high repetition rate generation. (C) 2021 Optical Society of America
机译：在这封信中，我们介绍了2.87μm Ho3+/Pr3+共掺氟化物光纤激光器的锁模操作，这得益于金纳米线（GNW）的超快非线性光学吸收行为。模式锁定器是将GNW溶液沉积在银镜上制成的。它的调制深度为14.2%，饱和强度为26.2MW/cm（2），在2.87μm时的非饱和损耗为29.9%。随着泵浦功率的增加，激光器工作在调Q锁模、基波锁模和谐波锁模（HML）状态。据我们所知，这是第一台使用金纳米材料的中红外锁模激光器。此外，HML也是第一次在该波段使用材料可饱和吸收体的激光观测，这意味着GNWs具有产生高重复频率的能力。（2021）美国光学学会

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  • 来源
    《Optics Letters》 |2021年第7期|共4页
  • 作者

    Luo Hongyu; Li Siqing; Wu Xiaodong; Kang Zhe; Li Jianfeng; Qin Guanshi; Qin Weiping; Liu Yong;

  • 作者单位

    Univ Elect Sci &

    Technol China UESTC Sch Optoelect Sci &

    Engn State Key Lab Elect Thin Films &

    Integrated Devic Chengdu 610054 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect Changchun 130012 South Korea;

    Univ Elect Sci &

    Technol China UESTC Sch Optoelect Sci &

    Engn State Key Lab Elect Thin Films &

    Integrated Devic Chengdu 610054 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect Changchun 130012 South Korea;

    Univ Elect Sci &

    Technol China UESTC Sch Optoelect Sci &

    Engn State Key Lab Elect Thin Films &

    Integrated Devic Chengdu 610054 Peoples R China;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect Changchun 130012 South Korea;

    Jilin Univ Coll Elect Sci &

    Engn State Key Lab Integrated Optoelect Changchun 130012 South Korea;

    Univ Elect Sci &

    Technol China UESTC Sch Optoelect Sci &

    Engn State Key Lab Elect Thin Films &

    Integrated Devic Chengdu 610054 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
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