Orbital angular momentum (OAM) has aroused a widespread interest in many fields,
especially in telecommunications due to its potential for unleashing new capacity in the …

Time, polarization, and wavelength multiplexing schemes have been used to satisfy the
growing need of transmission capacity. Using space as a new dimension for communication …

In recent decades, metasurfaces have attracted considerable interest to generate vortex
beams, that is, orbital angular momentum (OAM) carrying beams. However, the existing …

There is a continuing growth in the demand for data bandwidth, and the multiplexing of
multiple independent data streams has the potential to provide the needed data capacity …

As an alternative degree of freedom for wireless communications, orbital angular momentum
(OAM) multiplexing and demultiplexing can be applied to achieve higher communication …

By enabling very high bandwidth for radio communications, the millimeter-wave (mmWave),
which can easily be integrated with massive-multiple-input-multiple-output (massive-MIMO) …

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, we present the mode combinations needed to achieve orthogonal sub-
channels in an ideal wireless orbital angular momentum based multiple-input multiple …

A novel three-dimensional printed discrete dielectric lens (DDL) antenna with orbital angular
momentum (OAM) mode reconfigurability operating at 300 GHz is proposed in this article …

In this communication, an orbital angular momentum (OAM) mode-reconfigurable antenna
based on a uniform circular array (UCA) is presented. To realize multiple switchable …