Yakar, OzanNitiss, EdgarsBrès, Camille Sophie2021-08-122021-08-122021-08-12202110.1364/CLEO_AT.2021.JTh3A.35https://infoscience.epfl.ch/handle/20.500.14299/180510We demonstrate seeding-enabled all-optical poling of silicon nitride waveguides as short as 5 mm, and account for quasi-phase-matching (QPM) inside the waveguide between the fundamental mode of pump and higher order second-harmonic modes.Seeded Multimode Quasi-Phase-Matching in All-Optically Poled Silicon Nitride Waveguidestext::conference output::conference proceedings::conference paper