3 W Mid-IR supercontinuum extended up to 4.6 µm based on an all-PM thulium doped fiber gain-switch laser seeding an InF3 fiber, J-P. Yehouessi; S. Vidal; J-Y. Carrée; L. Bodin; S. Cozic; T. Berthelot; S. Poulain; L. Calvez; G. Huss; J. Boullet