Design of composite nanofibers for new all-solid state Raman wavelength converters Maha Bouhadida, Abderrahim Azzoune, Théo Dampt, Laurent Divay, Mathieu Fauvel, Christian Larat, Jean-Charles Beugnot and Sylvie Lebrun EPJ Web Conf., 309 (2024) 12004 Published online: 31 October 2024 DOI: 10.1051/epjconf/202430912004