Fig. 1. Single-ended microwave photonic mixing and phase shifting system structure

Fig. 2. Wavelength selective switch and dual-parallel Mach-Zehnder modulator structure

Fig. 3. The structure of a new reconfigurable microwave photonic mixing and phase shifting system

Fig. 4. Different types of mixing structures

Fig. 5. Schematic diagram of multi-band mixing sideband combination

Fig. 6. Optical spectrum at point C and electric spectrum at the output of PD under different conditions.

Fig. 7. Waveform，power and ESSR of down-converted 1 GHz IF signal with different phase

Fig. 8. The electric waveform and spectrum of the 1 GHz IF signal output by double-balanced mixing

Fig. 9. 1 GHz IF signal waveform，phase shift and power change of F₁₁ and F₁₂ channels output in I/Q mixing

Fig. 10. 1 GHz IF signal waveform at different position when inputting RF signal

Fig. 11. 1 GHz IF signal waveform at different position when inputting IM signal

Fig. 12. The electric spectrum and waveform of the IF signal introduced at the same time by the 19 GHz RF

Fig. 13. The relationship between the deviation of the 90° electrical phase shifter and the image rejection ratio

Fig. 14. The relationship between down-conversion 1 GHz IF signal power and ESSR and PC angle adjustment deviation

Fig. 15. The influence of different RF signal power on system conversion efficiency and spurious suppression