Fig. 1. Propagation of vortex beam in ocean turbulence

Fig. 2. Channel capacity of three beams under different beam waist radius and received aperture diameters. (a), (b), (c) Beam waist radius; (d) received aperture diameters

Fig. 3. Channel capacity of three beams at different transmission distances and numbers of transmitted OAM modes. (a) Transmission distances; (b) numbers of transmitted OAM modes

Fig. 4. Channel capacity of three beams under different ocean turbulence parameters. (a) Inner scale; (b) outer scale; (c) dissipation rate of turbulent kinetic energy; (d) dissipation rate of mean-squared temperature; (e) anisotropy factor; (f) ratio of temperature and salinity contributions