Self-phase modulation in periodically-poled thin-film lithium niobate waveguidesGamze Gul, Kamal Abdelsalam, Sasan Fathpour, Kim F. Lee, Gregory S. Kanter and Prem KumarEPJ Web Conf., 267 (2022) 02022DOI: https://doi.org/10.1051/epjconf/202226702022