材料科学
放大自发辐射
光纤激光器
光纤放大器
光学
光电子学
放大器
激光器
纤维
物理
波长
CMOS芯片
复合材料
作者
Wei Yu,Qirong Xiao,Lele Wang,Ying Zhao,Tiancheng Qi,Ping Yan,Mali Gong
出处
期刊:Optics Letters
[The Optical Society]
日期:2021-04-29
卷期号:46 (9): 2192-2192
被引量:10
摘要
We demonstrate, to the best of our knowledge, the first high-power large-mode-area Er:Yb codoped fiber amplifier pumped by 1018 nm fiber lasers. The output power reaches 219.6 W, which is the highest power operating at 1600 nm with near-diffraction-limitation beam quality. The 1018 nm pumping scheme contributes to the mitigation of Er,Yb fiber bottlenecking, improvement in signal gain, and reduction of heat generation. Also, we inject co-propagating C-band amplified spontaneous emission (ASE) into the master amplifier to avoid unwanted backward-propagating ASE.
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