Orbital angular momentum (OAM) at radio frequency (RF) provides a novel approach of
multiplexing a set of orthogonal modes on the same frequency channel to achieve high …

Mode division multiplexing (MDM) using orbital angular momentum (OAM) is a recently
developed physical layer transmission technique, which has obtained intensive interest …

For many communication systems, including wireless networks, mobile, satellite, radar,
remote sensing, and many more applications, antenna arrays are very necessary. Utilizing …

Vortex beam, manifesting the characteristic helical phase front and amplitude singularity,
carries inherent orbital angular momentum (OAM) and has received intensive research from …

In this paper, the capacity of a free-space optical (FSO) communication over radio frequency
(RF) could potentially be increased by the simultaneous transmission of multiple orbital …

Orbital angular momentum (OAM) is an intrinsic property that all electromagnetic waves can
carry. Interesting properties of OAM beams have enabled many novel applications. But …

The orbital angular momentum (OAM) technique provides a new degree of freedom for
information transmissions in millimeter wave communications. Considering the spatial …

In this letter, a high-efficiency planar reflectarray with a small size of 3.87 λ 0× 3.87 λ 0 is
designed, which can effectively convert arbitrary polarized waves to orbital angular …

A reflectarray for generating wideband circularly polarized (CP) orbital angular momentum
(OAM) vortex wave in the X-band is proposed. First, a dual linearly polarized (LP) element …

Terahertz (THz) wireless communications are commonly regarded as one of the key
technologies of 6G communication. Combined with THz, the newly exploited physical layer …