Communicating Using Spatial Mode Multiplexing: Potentials, Challenges, and Perspectives

Abderrahmen Trichili

doi:10.1109/COMST.2019.2915981

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Communicating Using Spatial Mode Multiplexing: Potentials, Challenges, and Perspectives

2019-01-01

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Abderrahmen Trichili *

DOI：10.1109/COMST.2019.2915981

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Abstract

En 中文

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 systems has been recently suggested as a versatile technique to address future bandwidth issues. We review the potentials of harnessing the space as an additional degree of freedom for communication applications including free space optics, optical fiber installation, underwater wireless optical links, on-chip interconnects, data center indoor connections, radio frequency, and acoustic communications. We focus on the orbital angular momentum (OAM) modes and equally identify the challenges related to each of the applications of spatial modes and the particular OAM modes in communication. We further discuss the perspectives of this emerging technology. Finally, we provide the open research directions and discuss the practical deployment of OAM communication links for different applications.

Keywords:

Acoustic beams

Multiplexing

Optical fiber communication

Laser beams

Optical polarization

Antenna arrays

Space division multiplexing

orbital angular momentum

free space optics

optical fibers

vortex fibers

underwater wireless optical communication

radio frequency

millimeter waves

optical interconnects

optical switching

fiber nonlinearity

atmospheric turbulence

oceanic turbulence

crosstalk

adaptive optics

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