Fig. 1. Structure of LNOI based 2×2 electro-optic switch

Fig. 2. The relationship between effective refractive index and ridge width of the waveguide

Fig. 3. Simulation results of optical field propagation

Fig. 4. The TE polarized optical field and electric field distribution of the LNOI waveguide with electrodes

Fig. 5. The fabrication process of LNOI based high-speed electro-optic switch

Fig. 6. The photography of fabricated high-speed electro-optic switch

Fig. 7. The structure of packaged LNOI based high-speed electro-optic switch

Fig. 8. The measured extinction ratio results of the electro-optic switch

Fig. 9. The measured on-off response signal of the electro-optic switch