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Free-Space Optics Communications Employing Elliptical-Aperture Multimode Diversity Reception Under Anisotropic Turbulence

We experimentally demonstrate an elliptical-aperture multimode diversity receiver to mitigate the impairment from anisotropic turbulence, which is emulated by employing an electrically-controlled heater. The anisotropy gradually decreases as the flow-level of the introduced airflow from fans increases. In contrast to circular-aperture reception, the elliptical-aperture multimode diversity receiver can effectively resist beam wander under anisotropic turbulence, reducing outage probability from 14.63% to 0.38% for detecting a dual-polarization 30-Gbaud QPSK signal. Without the aid of an adaptive optics system, this work demonstrates the feasibility of realizing an anisotropic-turbulence-resistant FSO link using multimode and multi-aperture diversity reception employing digital coherent combining techniques.

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Informasi Detail

Judul Seri

JOURNAL OF LIGHTWAVE TECHNOLOGY; Vol.40 No.5 March 1 2022

No. Panggil

-

Penerbit

: .,

Deskripsi Fisik

p. 1502-1508

Bahasa

English

ISBN/ISSN

-

Klasifikasi

NONE

Tipe Isi

-

Tipe Media

-

Tipe Pembawa

-

Edisi

-

Subjek

ATMOSPHERIC TURBULENCE
COHERENT COMMUNICATION
OPTICAL WIRELESS COMMUNICATION

Info Detail Spesifik

10.1109/JLT.2021.3130250

Pernyataan Tanggungjawab

Yetian Huang, Hanzi Huang, Haoshuo Chen, Juan Carlos Alvarado, Nicolas K. Fontaine, et al.

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