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22 February 2008High-power femtosecond Yb-doped single-polarization photonic crystal fiber laser
We report, to the first time to our knowledge, on a passively mode-locked single-polarization single-transverse-mode
large-mode-area photonic crystal fiber laser operating in the dispersion compensation free regime. In the single-pulse
regime, the laser generates 1.6 W of average power with 3.7 ps pulses at a repetition rate of 63 MHz, corresponding to a
pulse energy of 25 nJ. Stable and self-starting operation is obtained by adapting the spot size at the saturable absorber
mirror to the pulse evolution in the low-nonlinearity fiber. The pulses are compressible down to 750 fs. The presented
approach demonstrates the scaling potential of fiber based short pulse oscillators towards high-power ultra-compact allfiber
environmentally-stable configuration.
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B. Ortaç, C. Lecaplain, A. Hideur, J. Limpert, A. Tünnermann, "High-power femtosecond Yb-doped single-polarization photonic crystal fiber laser," Proc. SPIE 6873, Fiber Lasers V: Technology, Systems, and Applications, 687321 (22 February 2008); https://doi.org/10.1117/12.763621