%0 Journal Article %T INTEGRATED OPTICAL WAVEGUIDES BASED ON Si3N4 FILMS %A Kulinich, I.V. %A Somogonyants, A.A. %A Shesterikov, E.V. %A Mokhovikov, D.M. %K PIC, phase grating, silicon nitride on insulator. %J Infocommunications and Radio Technologies %D 2022 %N 5 %P 6 %I Federal State Educational Institution of Higher Education Sevastopol State University