Aluminum nitride on insulator: Material and processing optimization for integrated photonic applicationsJasmin Spettel, Nikolai Andrianov, Florian Dubois, Hernán Furci, Tommaso Cassese, Marco Liffredo, Guillermo Villanueva, Niels Quack, Mohssen Moridi and Thang Duy DaoEPJ Web Conf., 287 (2023) 01004DOI: https://doi.org/10.1051/epjconf/202328701004