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Journal of Lightwave Technology

Journal of Lightwave Technology


  • Vol. 32, Iss. 14 — Jul. 15, 2014
  • pp: 2510–2515

High-Peak Power, All-Fiber Passively Q-Switched Laser Using a Sm-Doped Fiber Saturable Absorber

Man Hu, Bing He, Houkang Liu, Yifeng Yang, Ye Zheng, Xiaolong Chen, Lei Zhang, and Jun Zhou

Journal of Lightwave Technology, Vol. 32, Issue 14, pp. 2510-2515 (2014)

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An all-fiber passively Q-switched Yb-doped fiber laser with fiber saturable absorber (SA) based on a piece of Sm-doped fiber is presented. For the first time, we observe the fast stimulated Brillouin scattering Q-switched process in an Yb/Sm all-fiber laser and obtain 41 ns pulses and 1.7 kW maximum peak power. Compared with the reported traditional SA Q-switched process, the pulse energy and peak power are both improved an order of magnitude. Furthermore, a traditional SA Q-switched process with 450 ns pulsewidth and 7.5 W peak power is also obtained in the same structure by increasing the feedback of cavity's output end.

© 2014 IEEE

Original Manuscript: December 11, 2013
Manuscript Accepted: May 30, 2014
Published: June 5, 2014

Man Hu, Bing He, Houkang Liu, Yifeng Yang, Ye Zheng, Xiaolong Chen, Lei Zhang, and Jun Zhou, "High-Peak Power, All-Fiber Passively Q-Switched Laser Using a Sm-Doped Fiber Saturable Absorber," J. Lightwave Technol. 32, 2510-2515 (2014)

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