Self-phase modulation in periodically-poled thin-film lithium niobate waveguides Gamze Gul, Kamal Abdelsalam, Sasan Fathpour, Kim F. Lee, Gregory S. Kanter and Prem Kumar EPJ Web Conf., 267 (2022) 02022 Published online: 18 October 2022 DOI: 10.1051/epjconf/202226702022