Design of Mesoscopic Ordered Titania and Silica Hybrid Sol-Gel Films as Planar Waveguide

We report of the successful design of waveguide based on formed on a glass substrate mesoscopic ordered organic-inorganic SiO2 and TiO2 films doped with Rhodamine 6G formed on a glass substrate that allowed mode lasing. The designed films had a refractive index lower (1.499) and higher (1.565) than the index of the glass substrate. The laser oscillation was observed on the quasi modes of the waveguide which possess radiative losses in a substrate and was accompanied by radiation of substrate radiative mode.