High-energy spatiotemporal solitons in GRIN fiber F. Mangini, M. Zitelli, M. Ferraro, D.S. Kharenko, A. Niang, A. Tonello, V. Couderc and S. Wabnitz EPJ Web Conf., 243 (2020) 20001 Published online: 15 October 2020 DOI: 10.1051/epjconf/202024320001