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首页> 外文期刊>Optics Letters >All-fiber, single-frequency, and single-mode Er3+:Yb3+ fiber amplifier at 1556 nm core-pumped at 1018 nm
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All-fiber, single-frequency, and single-mode Er3+:Yb3+ fiber amplifier at 1556 nm core-pumped at 1018 nm

机译：全纤维，单频和单模ER3 +：YB3 +光纤放大器，1556 NM核心泵送为1018 nm

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摘要

Emerging applications, such as gravitational wave astronomy, demand single-frequency lasers with diffraction-limited emission at 1.5 mu m. Fiber amplifiers have greatly evolved to fulfill these requirements. Hundreds of watts are feasible using large-mode-area and specialty fibers. However, their application in a few watts to tens of watts in monolithic systems is unnecessarily complex due to the poor commercial availability of fiber components and standard integration procedures. In this Letter we propose and experimentally demonstrate a novel and simple method to amplify single-frequency signals at 1.5 mu m up to tens of watts by core-pumping single-mode Er3+:Yb3+ fiber amplifiers at 1018 nm. The proof-of-principle system is tested with different active fibers, lengths, and seed power levels. Over 11 W with an efficiency of more than 48% versus launched power is achieved. Additionally, performance degradation during operation was observed for which photodarkening due to P1 defects might be an explanation. (c) 2018 Optical Society of America
机译：新兴应用，如引力波天文，需求单频激光，在1.5亩的1.5μm下具有衍射限制的排放。光纤放大器大大进化以满足这些要求。数以百计的瓦特使用大型地区和特种纤维是可行的。然而，由于光纤成分和标准集成程序的商业可用性差，它们在整体系统中以几十瓦的瓦特到几十瓦的应用是不必要的复杂性。在这封信中，我们提出并通过实验证明了一种新颖简单的方法，通过芯泵送单模ER3 +：YB3 +光纤放大器在1018 nm下以15μm达到数十瓦的单频信号放大单频信号。用不同的活性纤维，长度和种子功率水平测试原则上的原理系统。实现了超过11倍，效率超过48％，而且发射功率的效率。另外，观察到操作期间的性能劣化，其由于P1缺陷引起的光映像可能是解释。 （c）2018年光学学会

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  • 来源
    《Optics Letters》 |2018年第11期|共4页
  • 作者

    de Varona Omar; Steinke Michael; Neumann Joerg; Kracht Dietmar;

  • 作者单位

    Laser Zentrum Hannover eV Hollerithallee 8 D-30419 Hannover Germany;

    Laser Zentrum Hannover eV Hollerithallee 8 D-30419 Hannover Germany;

    Laser Zentrum Hannover eV Hollerithallee 8 D-30419 Hannover Germany;

    Laser Zentrum Hannover eV Hollerithallee 8 D-30419 Hannover Germany;

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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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