Physical-layer security in orbital angular momentum multiplexing free-space optical communications

Xiaole Sun; Ivan B. Djordjevic

doi:10.1109/JPHOT.2016.2519279

Physical-layer security in orbital angular momentum multiplexing free-space optical communications

Xiaole Sun, Ivan B. Djordjevic

Research output: Contribution to journal › Article › peer-review

102 Scopus citations

Abstract

The physical-layer security of a line-of-sight (LOS) free-space optical (FSO) link using orbital angular momentum (OAM) multiplexing is studied. We discuss the effect of atmospheric turbulence to OAM-multiplexed FSO channels. We numerically simulate the propagation of OAM-multiplexed beam and study the secrecy capacity. We show that, under certain conditions, the OAM multiplexing technique provides higher security over a single-mode transmission channel in terms of the total secrecy capacity and the probability of achieving a secure communication. We also study the power cost effect at the transmitter side for both fixed system power and equal channel power scenarios.

Original language	English (US)
Article number	7386572
Journal	IEEE Photonics Journal
Volume	8
Issue number	1
DOIs	https://doi.org/10.1109/JPHOT.2016.2519279
State	Published - Feb 2016

Keywords

Atmospheric turbulence
Free-space optical communication
Orbital angular momentum (OAM) multiplexing
Physical layer security
Secrecy capacity

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Electrical and Electronic Engineering

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10.1109/JPHOT.2016.2519279

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abstract = "The physical-layer security of a line-of-sight (LOS) free-space optical (FSO) link using orbital angular momentum (OAM) multiplexing is studied. We discuss the effect of atmospheric turbulence to OAM-multiplexed FSO channels. We numerically simulate the propagation of OAM-multiplexed beam and study the secrecy capacity. We show that, under certain conditions, the OAM multiplexing technique provides higher security over a single-mode transmission channel in terms of the total secrecy capacity and the probability of achieving a secure communication. We also study the power cost effect at the transmitter side for both fixed system power and equal channel power scenarios.",

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AB - The physical-layer security of a line-of-sight (LOS) free-space optical (FSO) link using orbital angular momentum (OAM) multiplexing is studied. We discuss the effect of atmospheric turbulence to OAM-multiplexed FSO channels. We numerically simulate the propagation of OAM-multiplexed beam and study the secrecy capacity. We show that, under certain conditions, the OAM multiplexing technique provides higher security over a single-mode transmission channel in terms of the total secrecy capacity and the probability of achieving a secure communication. We also study the power cost effect at the transmitter side for both fixed system power and equal channel power scenarios.

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Physical-layer security in orbital angular momentum multiplexing free-space optical communications

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Keywords

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