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首页> 外文期刊>Optical fiber technology >High-power erbium-doped fiber laser with a carbon nanotubes-doped sol-gel glass mode-locker
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High-power erbium-doped fiber laser with a carbon nanotubes-doped sol-gel glass mode-locker

机译：具有碳纳米管掺杂溶胶 - 凝胶玻璃模式 - 储物柜的高功率erbium掺杂光纤激光器

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摘要

Generally, broadband absorbers has much non-saturable loss and low laser damage threshold, which limits the average output power of the fiber lasers mode locked by broadband absorbers. Exceptions are the absorbers in evanescent wave mode locking, in which way only weak laser passes through the absorber section. However, evanescent wave mode locking method needs to change the original structure of the fiber. Most of the commercial fiber-lasers adopt face-to-face passive mode-locking. Therefore, it is important to increase the damage threshold of the broadband absorbers. In this study, for the first time, a single-walled carbon nanotube (SWNT)-doped sol-gel glass composite absorber is fabricated using a low-temperature sol-gel method. The main component of the sol-gel glass is compact amorphous inorganic silicon-dioxide, which has high laser-damage threshold. The SWNT-doped sol-gel glass is integrated into the erbium-doped fiber (EDF) laser and mode-locking occurs at 1559 nm. The shortest pulse duration is 456 fs, and the maximum average output power is 110.65 mW. Compared to most EDF lasers based on broadband absorbers, the average output power is one of the highest values. The results indicate that encapsulating absorber in the inorganic sol-gel matrix is a promising method for fabricating high power ultrafast fiber laser type absorbers.
机译：通常，宽带吸收器具有多大可饱和损耗和低激光损坏阈值，这限制了由宽带吸收器锁定的光纤激光模式的平均输出功率。异常是渐逝波模式锁定的吸收器，以这种方式仅通过吸收器部分的弱激光器。然而，蒸发波模式锁定方法需要改变光纤的原始结构。大多数商业纤维激光器采用面对面的被动模式锁定。因此，重要的是增加宽带吸收剂的损伤阈值。在这项研究中，首次使用低温溶胶 - 凝胶法制造单壁碳纳米管（SWNT） - 掺杂溶胶 - 凝胶玻璃复合吸收剂。溶胶 - 凝胶玻璃的主要成分是紧凑的无定形无机型二氧化硅，具有高激光损伤阈值。将SWNT掺杂的溶胶 - 凝胶玻璃集成到掺铒光纤（EDF）激光器中，并在1559nm处发生模式锁定。最短脉冲持续时间为456 FS，最大平均输出功率为110.65 mW。与基于宽带吸收器的大多数EDF激光器相比，平均输出功率是最高值之一。结果表明，无机溶胶基质中的封装吸收剂是制造高功率超快光纤激光型吸收剂的有希望的方法。

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  • 来源
    《Optical fiber technology》 |2020年第9期|102189.1-102189.8|共8页
  • 作者

    Chen Zhendong; Wang Yonggang; Lv Ruidong; Liu Sicong; Wang Jiang; Wang Yishan;

  • 作者单位

    Shaanxi Normal Univ Sch Phys & Informat Technol Xian 710062 Peoples R China;

    Shaanxi Normal Univ Sch Phys & Informat Technol Xian 710062 Peoples R China;

    Shaanxi Normal Univ Sch Phys & Informat Technol Xian 710062 Peoples R China;

    Shaanxi Normal Univ Sch Phys & Informat Technol Xian 710062 Peoples R China;

    Shaanxi Normal Univ Sch Phys & Informat Technol Xian 710062 Peoples R China;

    Chinese Acad Sci Xian Inst Opt & Precis Mech State Key Lab Transient Opt & Photon Xian 710119 Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Erbium-doped fiber laser; Saturable absorber; Carbon nanotube;

    机译：掺铒光纤激光器;可饱和吸收剂;碳纳米管;

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