Tuning refractive index change of SiNx induced by ultrafast laser pulsesGholamreza Shayeganrad, Martynas Beresna, Thalia Domínguez Bucio, Gilberto Brambilla and Fredric Y. GardesEPJ Web Conf., 307 (2024) 02021DOI: https://doi.org/10.1051/epjconf/202430702021