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We demonstrate a Fabry-Perot cavity, passively saturable-absorber-modelocked Yb-fiber femtosecond oscillator with up to 1.04 GHz fundamental repetition rate, enabling octave spanning continuum generation and self-referenced fCEO stabilization.
Pulses from harmonically-mode-locked fiber laser were amplified in Yb-fiber to average power of 45 watts in good-quality 3-ps-pulses, at 1.3-GHz repetition rate in a near diffraction-limited-beam. 15-watts-average-power at 520 nm is produced by second-harmonic generation.
We report the generation of high-energy femtosecond pulses in a chirped-pulse oscillator based on an ytterbium-doped large-mode-area photonic crystal fiber. Output pulses with 800 fs duration and more than 90 nJ energy are generated.
All-in-fiber SESAM-modelocked self-starting fiber laser is demonstrated. Cavity dispersion is managed by a spliced-in PM all-solid photonic bandgap fiber. The laser directly delivers 1.25 nJ pulses of 280 fs duration.
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