Wavelength-switchable L-band fiber laser assisted by random reflectors R.A. Perez-Herrera, P. Roldan-Varona, A. Sanchez-Gonzalez, L. Rodriguez-Cobo, J.M. Lopez-Higuera and M. Lopez-Amo J. Eur. Opt. Society-Rapid Publ., 19 1 (2023) 2 Published online: 13 January 2023 DOI: 10.1051/jeos/2022015