Fig. 1. Schematic diagram of LABS. (a) Structural diagram of 2×2 integrated scanning chip; (b) schematic diagram of beam emission and deflection; (c) diagram of echo beam reception

Fig. 2. Schematic diagram of FMCW ranging

Fig. 3. Integrated MZI optical switch on chip. (a) Schematic diagram of network structure of on-chip optical switch; (b) response curve of MZI optical switch

Fig. 4. Integrated transceiver. (a) Three-dimensional illustration of Ge-Si integrated transceiver; (b) photocurrent of PD varying with input optical power, illustration shows dark currents under different bias voltages; (c) photocurrent of PD varying with wavelength of input light; (d) photocurrents of 4 PDs varying with input optical power

Fig. 5. Setup of scanning electronic control device

Fig. 6. Response curves of scanning electronic control device. (a) Response curves at three different locations without load; (b) response curves at three different locations with load

Fig. 7. Swtching test of scanning electronic control device. (a) Output waveform with 100 kHz auto switching before amplifying circuit; (b) output waveform with 100 kHz auto switching after amplifying circuit; (c) images of light spot with switching

Fig. 8. FMCW lidar based on LABS chip. (a) Setup of FMCW lidar system; (b) layout of LABS chip based on transceiver array; (c) photo of device

Fig. 9. Spectra of beat frequencies from 4 channels at different distances