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After four years of incredulity and not-so-gentle mocking, researchers have finally proven that it's possible to simultaneously transmit multiple radio channels over exactly the same wireless frequency.
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Towards infinite-capacity wireless networks, with twisted vortex radio waves
Electronics, Free Full-Text
High-efficiency reflective metasurfaces for terahertz vortex wave generation based on completely independent geometric phase modulations at three frequencies
Mechanically Reconfigurable Single-Arm Spiral Antenna Array for Generation of Broadband Circularly Polarized Orbital Angular Momentum Vortex Waves
Efficient generation of a dual-polarized vortex wave with an ultrathin Huygens' metasurface
Generation of vector vortex wave modes in cylindrical waveguides
Towards infinite-capacity wireless networks, with twisted vortex radio waves, ExtremeTech
Twisted Light Could Dramatically Boost Data Rates - IEEE Spectrum
Sensors, Free Full-Text
High-efficiency reflective metasurfaces for terahertz vortex wave generation based on completely independent geometric phase modulations at three frequencies
Are we Running out of Radio Frequency Space? - Ebuyer Blog
Efficient generation of a dual-polarized vortex wave with an ultrathin Huygens' metasurface
Illustrations of azimuth resolution using vertical radio waves with
What is an Optical Vortex?