Optical communication is an integral part of the modern economy, having all but replaced
electronic communication systems. Future growth in bandwidth appears to be on the horizon …

Structured light is routinely used in free-space optical communication channels, both
classical and quantum, where information is encoded in the spatial structure of the mode for …

Free-space optical communication with spatial modes of light has become topical due to the
possibility of dramatically increasing communication bandwidth via Mode Division …

Transverse spatial modes of light offer a large state-space with interesting physical
properties. For exploiting these special modes in future long-distance experiments, the …

Spatial mode (de) multiplexing of orbital angular momentum (OAM) beams is a promising
solution to address future bandwidth issues, but the rapidly increasing divergence with the …

Atmospheric turbulence can cause critical problems in many applications. To effectively
avoid or mitigate turbulence, knowledge of turbulence strength at various distances could be …

Using laser beams with less than perfect spatial coherence is an effective way of reducing
scintillations in free-space optical communication links. We report a proof-of-principle …

Free-space optical communication is a promising means to establish versatile, secure and
high-bandwidth communication between mobile nodes for many critical applications. While …

Optical aberrations place fundamental limits on the achievable resolution with focusing and
imaging. In the context of structured light, optical imperfections and misalignments and …

The ability to overcome the adverse effect induced by the obstacles within the transmission
link is a central challenge in long-distance optical image transmission and is significantly …