Point-to-Multipoint Optical Networks Using Coherent Digital Subcarriers

A paradigm shift in optical communication networks is proposed, with the introduction of a new ecosystem of devices and components with the capability of transforming current point-to-point optical networks (with their entailed, limiting, electrical aggregation) into flexible, scalable and cost-effe...

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Bibliographic Details
Published in:Journal of lightwave technology Vol. 39; no. 16; pp. 5232 - 5247
Main Authors: Welch, Dave, Napoli, Antonio, Back, Johan, Sande, Warren, Pedro, Joao, Masoud, Fady, Fludger, Chris, Duthel, Thomas, Sun, Han, Hand, Steven J., Chiang, Ting-Kuang, Chase, Aaron, Mathur, Atul, Eriksson, Tobias A., Plantare, Mats, Olson, Magnus, Voll, Stefan, Wu, Kuang-Tsan
Format: Journal Article
Language:English
Published: New York IEEE 15.08.2021
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
coherent access
Communication networks
Cost control
digital subcarrier multiplexing
fronthaul
Integrated optics
Interoperability
IP networks
metro aggregation
Multiplexing
Optical communication
Optical fiber networks
Optical fibers
Optical switches
Point-to-Multipoint
Point-to-multipoint communications
Subcarriers
Transceivers
ISSN:0733-8724, 1558-2213
Online Access:Get full text
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Summary:A paradigm shift in optical communication networks is proposed, with the introduction of a new ecosystem of devices and components with the capability of transforming current point-to-point optical networks (with their entailed, limiting, electrical aggregation) into flexible, scalable and cost-effective point-to-multipoint networks. In the new architecture, which better aligns with the hub-and-spoke traffic patterns observed in today's metro and access network segments, interoperability across a variety of transceivers operating at different speeds is achieved using individually routed, digitally generated subcarriers. The first comprehensive demonstration of the technical feasibility of the proposed point-to-multipoint architecture based on digital subcarrier multiplexing is presented, along with the remarkable cost savings and simplification of the network it enables.
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ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2021.3097163