Gain-Managed Nonlinear Amplification in Erbium-Doped Fibers Mikołaj Krakowski, Jakub Bogusławski, Alicja Kwaśny and Grzegorz Soboń EPJ Web Conf., 307 (2024) 02039 Published online: 18 October 2024 DOI: 10.1051/epjconf/202430702039