Edgars Nitiss, Boris Zabelich, Ozan Yakar, Junqiu Liu, Rui Ning Wang, Tobias J. Kippenberg, Camille-Sophie Brès. Broadband quasi-phase-matching in dispersion-engineered all-optically poled silicon nitride waveguides[J]. Photonics Research, 2020, 8(9): 1475