Fig. 1. Silicon-based optical waveguide phased array system

Fig. 2. Beam deflection model of silicon-based optical waveguide phased array

Fig. 3. Diagram of subaperture method division

Fig. 4. Simplified structure of silicon-based optical waveguide phased array with four beams

Fig. 5. Diagram of uniform division of double beams

Fig. 6. Diagram of non-uniform division of double beams

Fig. 7. Simulation results of multi-beam formation under subaperture method. (a) Double beams; (b) three beams; (c) four beams

Fig. 8. Simulation results of single beam, double beams and three beams under condition of uniform division

Fig. 9. Simulation results of different beams under condition of uniform division. (a) Double beams; (b) four beams