Experimental Comparison of Terahertz and Infrared Signaling in Controlled Atmospheric Turbulence

Jianjun Ma; Lothar Moeller; John F. Federici

doi:10.1007/s10762-014-0121-9

Experimental Comparison of Terahertz and Infrared Signaling in Controlled Atmospheric Turbulence

Jianjun Ma, Lothar Moeller, John F. Federici

Physics

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

45 Scopus citations

Abstract

In order to study and compare propagation features of Terahertz (THz) and infrared (IR) links under different air turbulence conditions, THz and IR free- space communication links at 625 GHz carrier frequency and 1550 nm wavelength, respectively, with a maximum data rate of 2.5 Gb/s have been developed. After propagating through the same channel perturbation caused by air turbulence, attenuation of the channels due to scintillation effects is analyzed by measuring the power and bit-error-rates in each link. Attenuation caused by air turbulence degrades the IR channel but exhibits only minor impact on the THz signal. Numerical simulations of the IR and THz attenuation under different turbulence conditions are presented and compared with the experimental data.

Original language	English (US)
Pages (from-to)	130-143
Number of pages	14
Journal	Journal of Infrared, Millimeter, and Terahertz Waves
Volume	36
Issue number	2
DOIs	https://doi.org/10.1007/s10762-014-0121-9
State	Published - Feb 2015

All Science Journal Classification (ASJC) codes

Radiation
Instrumentation
Condensed Matter Physics
Electrical and Electronic Engineering

Keywords

Atmospheric propagation
Free-space optical communication
Infrared laser
Scintillation
Terahertz

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10.1007/s10762-014-0121-9

Cite this

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title = "Experimental Comparison of Terahertz and Infrared Signaling in Controlled Atmospheric Turbulence",

abstract = "In order to study and compare propagation features of Terahertz (THz) and infrared (IR) links under different air turbulence conditions, THz and IR free- space communication links at 625 GHz carrier frequency and 1550 nm wavelength, respectively, with a maximum data rate of 2.5 Gb/s have been developed. After propagating through the same channel perturbation caused by air turbulence, attenuation of the channels due to scintillation effects is analyzed by measuring the power and bit-error-rates in each link. Attenuation caused by air turbulence degrades the IR channel but exhibits only minor impact on the THz signal. Numerical simulations of the IR and THz attenuation under different turbulence conditions are presented and compared with the experimental data.",

keywords = "Atmospheric propagation, Free-space optical communication, Infrared laser, Scintillation, Terahertz",

author = "Jianjun Ma and Lothar Moeller and Federici, {John F.}",

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T1 - Experimental Comparison of Terahertz and Infrared Signaling in Controlled Atmospheric Turbulence

AU - Ma, Jianjun

AU - Moeller, Lothar

AU - Federici, John F.

PY - 2015/2

Y1 - 2015/2

N2 - In order to study and compare propagation features of Terahertz (THz) and infrared (IR) links under different air turbulence conditions, THz and IR free- space communication links at 625 GHz carrier frequency and 1550 nm wavelength, respectively, with a maximum data rate of 2.5 Gb/s have been developed. After propagating through the same channel perturbation caused by air turbulence, attenuation of the channels due to scintillation effects is analyzed by measuring the power and bit-error-rates in each link. Attenuation caused by air turbulence degrades the IR channel but exhibits only minor impact on the THz signal. Numerical simulations of the IR and THz attenuation under different turbulence conditions are presented and compared with the experimental data.

AB - In order to study and compare propagation features of Terahertz (THz) and infrared (IR) links under different air turbulence conditions, THz and IR free- space communication links at 625 GHz carrier frequency and 1550 nm wavelength, respectively, with a maximum data rate of 2.5 Gb/s have been developed. After propagating through the same channel perturbation caused by air turbulence, attenuation of the channels due to scintillation effects is analyzed by measuring the power and bit-error-rates in each link. Attenuation caused by air turbulence degrades the IR channel but exhibits only minor impact on the THz signal. Numerical simulations of the IR and THz attenuation under different turbulence conditions are presented and compared with the experimental data.

KW - Atmospheric propagation

KW - Free-space optical communication

KW - Infrared laser

KW - Scintillation

KW - Terahertz

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Experimental Comparison of Terahertz and Infrared Signaling in Controlled Atmospheric Turbulence

Abstract

All Science Journal Classification (ASJC) codes

Keywords

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