Megawatt peak-power femtosecond ultralong ring fibre laser with InN SESAM - Gallazzi, F.; Jimenez-Rodriguez, M.; Monroy, E.; Corredera, P.; González-Herráez, M.; Naranjo, F.B.; Castañón, J.D.A. (2019 Conference on Lasers and Electro-Optics Europe and European Quantum Electronics Conference, CLEO/Europe-EQEC 2019, 2019)