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Proceedings Paper

High-peak-power highly efficient combined Er/Er-Yb fiber amplifier
Author(s): M. M. Khudyakov; D. S. Lipatov; A. N. Guryanov; M. M. Bubnov; M. E. Likhachev
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Paper Abstract

Novel configuration of combined Er/Er-Yb fiber amplifier is proposed to join advantages of both approaches (high gain and high efficiency). Co-propagating pump at 976 nm and signal at 1556 nm were coupled into a short piece of Er-doped fiber, where signal was amplified to a few Watts level. Then signal together with unabsorbed pump passed to LMA Er- Yb fiber. In this configuration, 2 ns pulses were amplified to 20 W of average power and 37 kW of peak power (limited by four-wave mixing). Differential efficiency reaches 37%, which is a record for fiber lasers with this peak power level.

Paper Details

Date Published: 7 March 2019
PDF: 6 pages
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108971X (7 March 2019); doi: 10.1117/12.2510177
Show Author Affiliations
M. M. Khudyakov, Fiber Optics Research Ctr. (Russian Federation)
Moscow Institute of Physics and Technology (Russian Federation)
D. S. Lipatov, G. G. Devyatykh Institute of Chemistry of High-Purity Substances (Russian Federation)
A. N. Guryanov, G. G. Devyatykh Institute of Chemistry of High-Purity Substances (Russian Federation)
M. M. Bubnov, Fiber Optics Research Ctr. (Russian Federation)
M. E. Likhachev, Fiber Optics Research Ctr. (Russian Federation)


Published in SPIE Proceedings Vol. 10897:
Fiber Lasers XVI: Technology and Systems
Adrian L. Carter; Liang Dong, Editor(s)

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