Optics express
Narrow linewidth ytterbium-doped fiber laser with external distributed feedback.
Da Wei, Leilei Shi, Jiali Li, Zeheng Zhang, Minzhi Xu, Xianming Huang, Lei Zhai, Shumin Yang, Yujia Li, Ligang Huang, Tao Zhu
Published: 202510.1364/OE.579065
Abstract
We demonstrate a sub-kilohertz linewidth ytterbium-doped fiber laser at 1064 nm by importing Rayleigh scattering based external distributed feedback into the linear lasing cavity. The lasing cavity consists of two fiber Bragg gratings with a full wid…
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