Fig. 5From: Multi-vortex laser enabling spatial and temporal encodingSpatial encoding of the multi-vortex laser for data transmission. a Schematic of data transmission by spatial encoding of the multi-vortex laser. DMD: digital micromirror device. b Measured patterns of the multi-vortex laser encoded by DMD and the corresponding hexadecimal codes. c Measured data transmission results for image transfer using spatial encoding of the multi-vortex laserBack to article page