Fig. 1. Structure schematic diagram of the image rejection microwave photonic mixer

Fig. 2. Schematic of image rejection principle. (a) Optical sideband of the DDMZM output; (b) IF signal before SBS filtering; (c) optical sideband after SBS filtering; (d) IF signal after SBS filtering

Fig. 3. Schematic of optical sidebands at different RF frequencies. (a) 2fIF<fRF<3fIF; (b)

Fig. 4. Electrical spectra of RF and IF signals after mixing

Fig. 5. IRR at different SBS pump powers

Fig. 6. simulation results of IRR versus the degree of phase imbalance

Fig. 7. IRR and conversion gain versus input RF power. (a) IRR; (b) conversion gain

Fig. 8. IRR and conversion gain versus RF frequency. (a) IRR; (b) conversion gain

Fig. 9. IRR versus IF frequency