17 January 2005 High-power narrow-linewidth tunable Er3+/Yb3+ co-doped cladding-pumped fiber ring laser
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Proceedings Volume 5644, Optoelectronic Devices and Integration; (2005); doi: 10.1117/12.573244
Event: Photonics Asia, 2004, Beijing, China
Abstract
A tunable Er3+/Yb3+ co-doped cladding-pumped all fiber ring laser is presented. Under the maximum pump power of 3594.5mW, the absorbed pump power of the fiber is measured to be 2737.37mW, the maximum output power of the fiber laser is 438mW, and the slope efficiency is greater than 15.9%. By using a fiber Bragg grating (FBG) as a wavelength filter, the linewidth of output laser is as narrow as 0.04nm by 3 dB, and by compressing or stretching the FBG, tuning range of 4.0nm is realized, the side mode suppression ratio is about 42dB. We also study the relationship between the output power and the splitting ratio of the output coupler, and it is found that there is an optimum splitting ratio of the output coupler at which the highest output power can achieve 647mW.
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Shumin Zhang, Fuyun Lu, Jian Wang, Chunxia Xie, "High-power narrow-linewidth tunable Er3+/Yb3+ co-doped cladding-pumped fiber ring laser", Proc. SPIE 5644, Optoelectronic Devices and Integration, (17 January 2005); doi: 10.1117/12.573244; https://doi.org/10.1117/12.573244
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KEYWORDS
Fiber lasers

Fiber Bragg gratings

Output couplers

Erbium

Tunable lasers

Ytterbium

Multimode fibers

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