Sub-100-fs Yb:CALGO nonlinear regenerative amplifier

We report on the first diode-pumped Yb:CaGdAlO4 regenerative amplifier in the sub-100-fs regime. It generates pulses at a central wavelength of 1047 nm with up to 24 μJ energy (after compression) at a repetition rate of 50 kHz. The measured pulse duration is 97 fs, with a spectral bandwidth of 19 nm...

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Bibliographic Details
Published in:Optics letters 2013-12, Vol.38 (23), p.5180-5183
Main Authors: Pouysegur, Julien, Delaigue, Martin, Zaouter, Yoann, Hönninger, Clemens, Mottay, Eric, Jaffrès, Anaël, Loiseau, Pascal, Viana, Bruno, Georges, Patrick, Druon, Frédéric
Format: Article
Language:English
Subjects:
Amplifiers
Gain
Nonlinearity
Optics
Optimization
Physics
Pulse duration
Regenerative
Spectra
Wavelengths
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Summary:We report on the first diode-pumped Yb:CaGdAlO4 regenerative amplifier in the sub-100-fs regime. It generates pulses at a central wavelength of 1047 nm with up to 24 μJ energy (after compression) at a repetition rate of 50 kHz. The measured pulse duration is 97 fs, with a spectral bandwidth of 19 nm. We describe in detail how nonlinear effects are optimally used to compensate gain narrowing in order to overcome the 100 fs barrier.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.38.005180