Artificially engineered metasurfaces provide extraordinary wave control at the
subwavelength scale. However, metasurfaces proposed so far suffer due to limited …

Metasurfaces deployed for generating electromagnetic waves that carry orbital angular
momentum (OAM) in the transmission mode are generally inefficient in operation. In this …

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

Wireless backhaul offers a more cost-effective, time-efficient, and flexible solution than wired
backhaul to connect the edge-computing cells with the core network. As the amount of …

The rapid increase in orbital angular momentum (OAM) mode size with increasing modal
order, given the limited-size of the receiver, is a major impediment to high-capacity OAM …

A plane spiral orbital angular momentum (PSOAM) mode-group (MG) based multiple-in-
multiple-out (MIMO) communication system is proposed, and the performance is numerically …

It becomes more and more challenging to satisfy the long-term demand of transmission
capacity in wireless networks if we limit our research within the frame of traditional …

Spatial division multiplexing using conventional orbital angular momentum (OAM) has
become a well-known physical layer transmission method over the past decade. The mode …

A variety of novel orbital angular momentum (OAM)-based communication or sensing
systems have attracted much attention over the past decade, the superiority is brought about …

In this letter, a spherical conformal antenna is designed, fabricated, and experimentally
demonstrated to realize the beam steering of orbital angular momentum (OAM) vortex waves …