Subnanosecond fan-out MgO:PPLN optical parametric amplifier using continuum seed Simona Armalytė, Jonas Banys, Vygandas Jarutis and Julius Vengelis EPJ Web Conf., 307 (2024) 04016 Published online: 18 October 2024 DOI: 10.1051/epjconf/202430704016