A High-Speed and Long-Reach PAM4 Optical Wireless Communication System

Chung-Yi Li; Hai-Han Lu; Yong-Nian Chen; Chung-Wei Su; You-Ruei Wu; Zhen-Han Wang; Ying-Pyng Lin

doi:10.1109/JPHOT.2018.2859321

IEEE Photonics Journal (Jan 2018)

A High-Speed and Long-Reach PAM4 Optical Wireless Communication System

Chung-Yi Li,
Hai-Han Lu,
Yong-Nian Chen,
Chung-Wei Su,
You-Ruei Wu,
Zhen-Han Wang,
Ying-Pyng Lin

Affiliations

Chung-Yi Li: ORCiD; Department of Communication Engineering, National Taipei University, New Taipei City, Taiwan
Hai-Han Lu: ORCiD; Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, Taiwan
Yong-Nian Chen: Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, Taiwan
Chung-Wei Su: Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, Taiwan
You-Ruei Wu: Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, Taiwan
Zhen-Han Wang: Institute of Electro-Optical Engineering, National Taipei University of Technology, Taipei, Taiwan
Ying-Pyng Lin: Department of Electronic Engineering, Tung Nan University, New Taipei City, Taiwan

DOI: https://doi.org/10.1109/JPHOT.2018.2859321
Journal volume & issue: Vol. 10, no. 4
pp. 1 – 9

Abstract

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A high-speed (400 Gb/s) and long-reach (180 m) four-level pulse amplitude modulation (PAM4) optical wireless communication system employing Mach-Zehnder modulator (MZM)-optoelectronic oscillator (OEO) broadband light source (BLS) and doublet lenses is proposed. Analytic results show that the data rate is markedly improved by PAM4 modulation and MZM-OEO BLS with multiple wavelengths, and the free-space transmission distance is considerably increased by a couple of doublet lenses. With the support of PAM4 modulation, MZM-OEO BLS, and doublet lenses, good bit error rate performance and clear PAM4/nonreturn-to-zero eye diagram are achieved at a 400 Gb/s/180 m operation. The proposed system is presented to be an eminent one not only as a result of its evolution in free-space optical (FSO) links, but also on account of its high-speed and long-reach characteristics in FSO links.

Published in IEEE Photonics Journal

ISSN: 1943-0655 (Online)
Publisher: IEEE
Country of publisher: United States
LCC subjects: Technology: Engineering (General). Civil engineering (General): Applied optics. Photonics; Science: Physics: Optics. Light
Website: http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=4563994

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