µJ-level normal dispersion fiber optical parametric chirped-pulse oscillator based on a collapsed-ends photonic crystal fiberTristan Guezennec, Said Idlahcen, Armand Cervera, Pierre-Henry Hanzard, David Landais, Laurent Provino, Adil Haboucha, Thomas Godin and Ammar HideurEPJ Web Conf., 287 (2023) 06002DOI: https://doi.org/10.1051/epjconf/202328706002