Optical communication article 5 Atmospheric turbulence 4 Orbital angular momentum 4 Angular momentum 3 Optical- 3 Antennas 2 Authentication 2 Binarization processing 2 Bit error rate 2 Computational ghost imaging 2 Cryptographic key 2 Cryptographic key distribution 2 Fibers 2 Focusing 2 Freespace optics 2 Graphene 2 High data rate 2 High data-rates 2 Identity authentication 2 Image processing 2 Incident light 2 Information rates 2 Information signals 2 Interactive joint authentication 2 Internet protocols 2 Key distribution 2 Key-distribution protocols 2 Metasurface 2 Monte Carlo methods 2