Orbital angular momentum waves: Generation, detection, and emerging applications

R Chen, H Zhou, M Moretti, X Wang… - … Surveys & Tutorials, 2019 - ieeexplore.ieee.org
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 …

Recent advances in high-capacity free-space optical and radio-frequency communications using orbital angular momentum multiplexing

AE Willner, Y Ren, G **e, Y Yan, L Li… - … of the Royal …, 2017 - royalsocietypublishing.org
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 …

Line-of-sight millimeter-wave communications using orbital angular momentum multiplexing combined with conventional spatial multiplexing

Y Ren, L Li, G **e, Y Yan, Y Cao… - IEEE Transactions …, 2017 - ieeexplore.ieee.org
Line-of-sight wireless communications can benefit from the simultaneous transmission of
multiple independent data streams through the same medium in order to increase system …

Orbital angular momentum-based space division multiplexing for high-capacity underwater optical communications

Y Ren, L Li, Z Wang, SM Kamali, E Arbabi, A Arbabi… - Scientific reports, 2016 - nature.com
To increase system capacity of underwater optical communications, we employ the spatial
domain to simultaneously transmit multiple orthogonal spatial beams, each carrying an …

Mode-division-multiplexing of multiple Bessel-Gaussian beams carrying orbital-angular-momentum for obstruction-tolerant free-space optical and millimetre-wave …

N Ahmed, Z Zhao, L Li, H Huang, MPJ Lavery, P Liao… - Scientific reports, 2016 - nature.com
We experimentally investigate the potential of using 'self-healing'Bessel-Gaussian beams
carrying orbital-angular-momentum to overcome limitations in obstructed free-space optical …

Experimental demonstration of 16-Gbit/s millimeter-wave communications link using thin metamaterial plates to generate data-carrying orbital-angular-momentum …

Z Zhao, Y Ren, G **e, Y Yan, L Li… - 2015 IEEE …, 2015 - ieeexplore.ieee.org
We present the design and performance characterization of a thin metamaterial plate for
generation of orbital angular momentum (OAM) modes of a millimeter-wave beam, which …

Mode combination in an ideal wireless OAM-MIMO multiplexing system

KA Opare, Y Kuang, JJ Kponyo - IEEE Wireless …, 2015 - ieeexplore.ieee.org
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 …

System and method for combining MIMO and mode-division multiplexing

S Ashrafi, RD Linquist - US Patent 9,998,187, 2018 - Google Patents
2016-07-21 Assigned to NXGEN PARTNERS IP, LLC reassignment NXGEN PARTNERS IP,
LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS) …

Re-generation and re-transmission of millimeter waves for building penetration

S Ashrafi - US Patent 10,153,845, 2018 - Google Patents
A system for enabling signal penetration into a building comprising a receiver located on an
outside of the building for receiving millimeter wave signals. At least one frequency …

Re-generation and re-transmission of millimeter waves for building penetration

S Ashrafi - US Patent 10,014,948, 2018 - Google Patents
(57) ABSTRACT A system for enabling signal penetration into a building includes first
circuitry, located on an outside of the building, that receives millimeter wave signals and …