There is a growing interest in structured light, especially orbital angular momentum (OAM)
beams, due to its unique amplitude and phase structure. Multiple orthogonal OAM beams …

Structured electromagnetic waves carrying orbital angular momentum (OAM) have been
explored in various frequency regimes to enhance the data capacity of communication …

Structured electromagnetic (EM) waves have been explored in various frequency regimes to
enhance the capacity of communication systems by multiplexing multiple co-propagating …

The channel capacity of terahertz (THz) wireless communications can be increased by
multiplexing multiple orthogonal data-carrying orbital-angular-momentum (OAM) beams. In …

Free-space optical (FSO) communication has gained much interest due to its capability of
providing not only a cost-efficient solution where the optical fiber is too expensive or too …

Bandwidth, orbital-angular momentum (OAM) divergence, and mode purity are the three
critical issues for the practical terahertz orbital angular momentum manipulation, especially …

Orbital angular momentum (OAM) is a physical property of electromagnetic waves
characterized by a helical phase front in the propagation direction. Much research has been …

Terahertz (THz) orbital angular momentum (OAM) beams have tremendous potential for
tackling the capacity crunch in high-speed wireless communication. However, conventional …

A metasurface design scheme is proposed based on reflective double vertical U-shaped
resonators. Compared to planar resonators with the same parameters, vertical meta-atom …

Mode converter is an astigmatic optical system that allows transforming the set of coherent
Hermite-Gaussian modes with dislocation singularities into Laguerre-Gaussian one, which …