Journal
OPTICS LETTERS
Volume 38, Issue 20, Pages 4008-4010Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.38.004008
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Funding
- Direction Generale de l'Armement et de la Recherche
- European Community through the I3 LASERLAB II JRA2 Happie
- Conseil Regional d'Aquitaine
- Lougre Brillant program, Aquitaine Valorisation
- CNRS national network FEMTO through the entitled HABRY program
- CNRS national network CMDO+ through the entitled HABRY program
- Agence Nationale de la Recherche (ANR) through the FEMTOC-RYBLE project [ANR 2010 BLANC 0421]
- Agence Nationale de la Recherche (ANR) through the PAMPERO project [ANR-12-B509-0033]
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By using a high-brightness fiber pump laser, we demonstrate a pure Kerr-lens mode-locked (ML) Yb:CaF2 oscillator. The laser delivers 68 fs pulses with 2.3 W average power at 73 MHz repetition rate and an optical-to-optical efficiency of 33% is achieved. To the best of our knowledge, this is the first demonstration of Kerr-lens mode-locking in Yb:CaF2. Incidentally, we report here the highest average power ever achieved for a sub-100-fs active Kerr-lens ML Yb-bulk oscillator. (C) 2013 Optical Society of America
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