Fig. 1. Schematic diagram of the proposed SOI nanowire Bragg phase-shifted grating structure

Fig. 2. Normalized electric field distribution of the different Bragg phase shift grating cross-section

Fig. 3. Transmission spectrum of SOI nanowire Bragg phase-shifting grating

Fig. 4. Transmission spectrum of different grating periods N based on SOI nanowire Bragg phase-shifting gratings

Fig. 5. Normalized electric field distribution in the xy plane at different input wavelengths

Fig. 6. Relationship between Q-factor and grating period N of SOI nanowire Bragg phase-shifting gratings