FERNANDES, THIAGO V.BORDON, CAMILA D.S.WETTER, NIKLAUS U.ROSSI, WAGNER deKASSAB, LUCIANA R.P.2026-03-192026-03-19https://repositorio.ipen.br/handle/123456789/49512We demonstrate the fabrication of straight and curved dual waveguides in GeO2-PbO glasses embedded with silver nanoparticles using femtosecond laser inscription. This research includes evaluating beam quality, propagation loss, and polarization of the double-wall waveguides.engopenAccessTexto completo de evento10.1364/CLEO_AT.2025.JPS100_122https://orcid.org/0000-0002-9379-9530https://orcid.org/0000-0003-1371-7521