Advanced Optical TechnologiesPublished 30 August 2023Ultrafast laser processing of glass waveguide substrates for multi-fiber connectivity in co-packaged opticsJason R. Grenier · Lars Brusberg · Kristopher A. Wieland · Juergen Matthies · Chad C. TerwilligerAdvanced Optical Technologiesdoi 10.3389/aot.2023.1244009