Design of Si3N4-TFLN heterogeneous integrated device with phase modulation and frequency doubling: Performance optimization and application prospectsTing An, Limin Liu, Guizhou Lv and Yunfeng JiangJ. Eur. Opt. Society-Rapid Publ., 22 1 (2026) 16DOI: https://doi.org/10.1051/jeos/2026013
