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Journal articles

High peak-power stretcher-free femtosecond fiber amplifier using passive spatio-temporal coherent combining

Abstract : We report on the passive coherent combining of up to 8 temporally and spatially separated ultrashort pulses amplified in a stretcher-free ytterbium-doped fiber system. An initial femtosecond pulse is split into 4 temporal replicas using divided-pulse amplification, and subsequently divided in two counter-propagating beams in a Sagnac interferometer containing a fiber amplifier. The spatio-temporal distribution of the peak-power inside the amplifier allows the generation of record 3.1 µJ and 50 fs pulses at 1 MHz of repetition rate with 52 MW of peak-power from a stretcher-free fiber amplifier and without additional nonlinear post-compression stages.
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https://hal-iogs.archives-ouvertes.fr/hal-00757579
Contributor : Marc Hanna Connect in order to contact the contributor
Submitted on : Tuesday, February 19, 2013 - 4:22:48 PM
Last modification on : Saturday, March 6, 2021 - 3:32:14 AM
Long-term archiving on: : Monday, May 20, 2013 - 3:58:59 AM

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oe-20-19-21627.pdf
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Louis Daniault, Marc Hanna, Dimitris N. Papadopoulos, Yoann Zaouter, Eric Mottay, et al.. High peak-power stretcher-free femtosecond fiber amplifier using passive spatio-temporal coherent combining. Optics Express, Optical Society of America - OSA Publishing, 2012, 20 (19), pp.26705. ⟨10.1364/OE.20.021627⟩. ⟨hal-00757579⟩

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