A. K. Zaytseva, *, C.-L. Wangb, C.-H. Linc, Y.-J. Youc, F.-H. Tsaic, and C.-L. Pana, c, **
a Department of Physics, National Tsing Hua University, No. 101, Sec. 2, Kuang-Fu Rd, Hsinchu, 30013 Taiwan
b Cleverwave Tech. Inc., Daren Rd., Taoyan City, Taoyan County 330, Taiwan
c Institute of Photonics Technology, National Tsing Hua University,
No. 101, Sec. 2, Kuang-Fu Rd, Hsinchu, 30013 Taiwan
*e-mail: alexey.zajtsev@gmail.com
**e-mail: clpan@phys.nthu.edu.tw
Received September 7, 2011; in final form, September 14, 2011; published online December 28, 2011
Abstract—We report the performance of a picosecond master-oscillator power amplifier (MOPA) system
based on a diode-pumped solid-state (DPSS) seed laser and Yb-doped fiber amplifier. An average power of 28
W at ~200 MHz repetition rate is achieved by using only one amplification stage. We found that positive non-
linear phase shift induced by nonlinear effect in the active fiber can be effectively compensated by a grating
pair. A pulse duration of ~1.6 ps is shown after recompression.
DOI: 10.1134/S1054660X12020259
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