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Title:	Optical signal tracking for robust PAM4 deployment in filterless metro network scenarios
Author:	Shariati, Mohammad Behnam; Fresi, Francesco; Ruiz Ramírez, Marc; Cugini, Filippo; Velasco Esteban, Luis Domingo
Other authors:	Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors; Universitat Politècnica de Catalunya. GCO - Grup de Comunicacions Òptiques
Abstract:	© 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes,creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.
Abstract:	Highly accurate and reliable optical signal tracking is proposed that estimates sub-GHz laser drift failures by analyzing spectra acquired by cost-effective coarse-granular OSAs. Its application on PAM4 systems in filterless metro networks brings added robustness.
Abstract:	Peer Reviewed
Subject(s):	-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telecomunicació òptica -Computer networks -- Reliability -Optical fiber communication -Metropolitan area networks (Computer networks) -Cost effectiveness -Optical fibers -Pulse amplitude modulation -Subways -Cost effective -Filter-less -Highly accurate -ITS applications -Metro networks -Optical signals -Sub-GHz -Ordinadors, Xarxes d' -- Fiabilitat -Comunicacions òptiques
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Document type:	Article - Submitted version Conference Object
Published by:	Institute of Electrical and Electronics Engineers (IEEE)
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