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Fiber-coupled microsphere laser

机译:光纤耦合微球激光器

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摘要

We demonstrate a 1.5-mm-wavelength fiber laser formed by placement of glass microsphere resonators along a fiber taper. The fiber taper serves the dual purpose of transporting optical pump power into the spheres and extracting the resulting laser emission. A highly doped erbium:ytterbium phosphate glass was used to form microsphere resonant cavities with large gain at 1.5 mm. Laser threshold pump powers of 60 mW and fiber-coupled output powers as high as 3 mW with single-mode operation were obtained. A bisphere laser system consisting of two microspheres attached to a single fiber taper is also demonstrated.
机译:我们演示了通过沿着光纤锥放置玻璃微球谐振器形成的1.5毫米波长光纤激光器。光纤锥具有将光泵浦功率传输到球体中并提取所产生的激光发射的双重目的。高掺杂的::磷酸y玻璃被用来形成微球谐振腔,并在1.5mm处获得大增益。获得的单模工作激光阈值泵浦功率为60 mW,光纤耦合输出功率高达3 mW。还展示了一个双球激光系统,该系统由两个附着在单个光纤锥上​​的微球组成。

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