Abstract
A high-power sub-50fs diode-pumped Yb:CALGO laser oscillator is demonstrated. The peak power achieved for 45fs pulses directly from the oscillator was 1.7 MW. To the best of our knowledge, this is the highest peak power in the sub-50fs pulse regime that has ever been produced directly from any diode-pumped Yb-ion-doped laser oscillator to date. The shortest generated pulses were 38fs long with 187kW of peak power.
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