Fig. 1. Schematic diagram of the microwave photonic radar chip based on thin-film lithium niobate

Fig. 2. Photograph of the microwave photonic radar chip based on thin-film lithium niobate

Fig. 3. Electro-optic response curve of the transmitter modulator on the chip

Fig. 4. Spectrum of the modulated optical signal

Fig. 5. Time-domain waveform and time-frequency response diagrams of the transmitted signal

Fig. 6. Spectra of the de-chirped signal

Fig. 7. Reseults of measured range for targets at different distances from the antenna