AUTHOR=Laberdesque Romain , Loi Laura , Guérineau Théo , Khalil Alain Abou , Danto Sylvain , Cardinal Thierry , Canioni Lionel , Petit Yannick TITLE=Three-dimensional femtosecond laser inscription of type a-based high-efficiency first-order waveguide Bragg gratings JOURNAL=Advanced Optical Technologies VOLUME=Volume 12 - 2023 YEAR=2023 URL=https://www.frontiersin.org/journals/advanced-optical-technologies/articles/10.3389/aot.2023.1237679 DOI=10.3389/aot.2023.1237679 ISSN=2192-8584