Shestaev, E.E.ShestaevHoff, D.D.HoffHädrich, S.S.HädrichJust, F.F.JustEidam, T.T.EidamJójárt, P.P.JójártVárallyay, Z.Z.VárallyayOsvay, K.K.OsvayPaulus, G.G.G.G.PaulusTünnermann, A.A.TünnermannLimpert, J.J.Limpert2022-03-142022-03-142019https://publica.fraunhofer.de/handle/publica/40640110.1109/CLEOE-EQEC.2019.8871680We present a CEP-stable Yb:fiber-based laser system delivering 100 mJ few-cycle pulses at the repetition rate of 100 kHz. The reported system is based on a highly scalable in terms of average power and pulse energy concept of a fiber chirped-pulse amplifier (CPA) combined with a hollow-core fiber compression stage. The same concept and similar components are employed by the ELI-ALPS HR1 [1].en620conference paper