Fig. 1. Schematic of 1×2 PLZT MZI optical switch. (a) Cross-sectional view of PLZT waveguide. (b) Top view of MZI switch.

Fig. 2. Simulation results of the switches. (a) Voltage response of 1×2 PLZT optical switches. (b) The relationship between the isolating film thickness and the optical absorption by the electrodes.

Fig. 3. Schematic of PLZT optical switch array. (a) The conventional cascaded structure. (b) The proposed cascaded structure.

Fig. 4. PLZT optical switches chip. (a) Scanning electron microscope etched waveguide. (b) The chip connected to the bond pad by Au interconnects.

Fig. 5. Voltage response of 1×2 PLZT optical switch (a) without SiO2 layer, (b) with 60 nm SiO2 layer by applying a positive voltage to Electrode 1, and (c) with 60 nm SiO2 layer by applying a positive voltage to Electrode 2.

Fig. 6. Switching time of 1×2 PLZT optical switch.