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 …

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

This letter presents a novel transmission metasurface to achieve orbital angular momentum
(OAM) waves at the X-band. The unit cell of the proposed metasurface consists of three …

A dual-polarized dual-mode orbital angular momentum (OAM) microstrip antenna array is
presented. The OAM radio beams are generated by employing a four-element antenna array …

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 …

For multiplex beams of orbital angular momentum, we propose a two-looped concentric
uniform circular array consisting of sequentially rotated circular polarization (CP) triangle …

A 1× 4 antenna feeding network is introduced with the capability of generating the required
phase distribution for exciting orbital angular momentum (OAM) modes 1. The proposed …

Electromagnetic vortex carries the orbital angular momentum, one of the most fundamental
properties of waves. The order of such vortex can be unbounded in principle, thus facilitating …

Orbital angular momentum (OAM) mode multiplexing has the potential to achieve high
spectrum-efficiency communications at the same time and frequency by using orthogonal …

In this article, a holograph-inspired flat lens antenna capable of simultaneously transmitting
two independent coaxially propagating orbital angular momentum (OAM) beams operating …