Functional Yb-doped fiber with a bat-type refractive index distribution for beyond kilowatt all-fiber single-frequency laser amplification

Functional Yb-doped fiber with a bat-type refractive index distribution for beyond kilowatt all-fiber single-frequency laser amplification

Abstract High-power single-frequency fiber lasers with diffraction-limited spots are indispensable for a wide range of photonic applications and are particularly in advanced detection and sensing technologies. However, the simultaneous achievement of kilowatt-level output power and diffraction-limit...

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Main Authors: Wei Li, Wei Liu, Yu Deng, Yisha Chen, Huan Yang, Qi Chen, Junjie Zheng, Hu Xiao, Zilun Chen, Zhiyong Pan, Pengfei Ma, Zefeng Wang, Lei Si, Shanhui Xu, Jinbao Chen
Format: Article
Language:English
Published: Nature Publishing Group 2025-08-01
Series:Light: Science & Applications
Online Access:https://doi.org/10.1038/s41377-025-01956-1
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https://doi.org/10.1038/s41377-025-01956-1

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