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High-power ytterbium-doped fiber laser delivering few-cycle, carrier-envelope phase-stable 100 μJ pulses at 100 kHz

 
: Shestaev, E.; Hoff, D.; Sayler, A.M.; Klenke, A.; Hädrich, S.; Just, F.; Eidam, T.; Jójárt, P.; Várallyay, Z.; Osvay, K.; Paulus, G.G.; Tünnermann, A.; Limpert, J.

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Fulltext ()

Optics Letters 45 (2020), No.1, pp.97-100
ISSN: 0146-9592
ISSN: 1539-4794
English
Journal Article, Electronic Publication
Fraunhofer IOF ()
fiber laser; system stability; Ytterbium; above-threshold ionization; acousto-optic modulator

Abstract
We present a carrier-envelope phase (CEP)-stable Yb-doped fiber laser system delivering 100 μJ few-cycle pulses at a repetition rate of 100 kHz. The CEP stability of the system when seeded by a carrier-envelope offset-locked oscillator is 360 mrad, as measured pulse-to-pulse with a stereographic above-threshold ionization (stereo-ATI) phase meter. Slow CEP fluctuations have been suppressed by implementing a feedback loop from the phase meter to the pulse picking acousto-optic modulator. To the best of our knowledge, this is the highest CEP stability achieved to date with a fiberbased, high-power few-cycle laser.

: http://publica.fraunhofer.de/documents/N-575072.html