Laser Beams

On the effect of correlated sways on generalized misalignment fading for terrestrial FSO links
Terrestrial free-space optical (FSO) links are severely damaged by both atmospheric turbulence and misalignment errors. Generally, the …
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850-nm hybrid fiber/free-space optical communications using orbital angular momentum modes
Light beams can carry orbital angular momentum (OAM) associated to the helicity of their phasefronts. These OAM modes can be employed …
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Physical-layer security in free-space optical communications
The communication between two legitimate peers in the presence of an external eavesdropper is studied from a physical-layer security …
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