Lasers in Passive Optical Networks and the Activation Process of an End Unit: A Tutorial

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dc.contributor.authorHorváth, Tomášcs
dc.contributor.authorMünster, Petrcs
dc.contributor.authorBao, Ning-Haics
dc.coverage.issue7cs
dc.coverage.volume9cs
dc.date.issued2020-07-09cs
dc.description.abstractIt is 21 years since the first passive optical network (PON) was standardized as an asynchronous transfer mode passive optical network (APON) with same optical distribution network scheme as we know in current networks. A lot of PON networks were standardized in the following years and became an important part of telecommunication. The general principles of these PON networks are described in many papers and books, but only a little information about used lasers is available. The aim of this tutorial is to describe lasers used in PON networks and principles of their operation. The paper describes the principles of single longitudinal mode (SLM), multi longitudinal mode (MLM), distributed-feedback (DFB), and Fabry-Perot (FP) lasers. Furthermore, the lasers are compared by their usage in optical line termination (OLT) for passive optical networks. The second part of this tutorial deals with activation process of optical network unit. The described principle is the same for connection of a new customer or blackout scenario. The end unit is not able to communicate until reach the operational state; each state is defined with physical layer operation and administration and maintenance (PLOAM) messages sequence and their processing.en
dc.formattextcs
dc.format.extent1-18cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationElectronics (MDPI). 2020, vol. 9, issue 7, p. 1-18.en
dc.identifier.doi10.3390/electronics9071114cs
dc.identifier.issn2079-9292cs
dc.identifier.orcid0000-0001-8659-8645cs
dc.identifier.orcid0000-0002-4651-8353cs
dc.identifier.other164704cs
dc.identifier.urihttp://hdl.handle.net/11012/194792
dc.language.isoencs
dc.publisherMDPIcs
dc.relation.ispartofElectronics (MDPI)cs
dc.relation.urihttps://www.mdpi.com/2079-9292/9/7/1114cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2079-9292/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectsingle longitudinal mode laseren
dc.subjectmulti longitudinal mode laseren
dc.subjectdistributed-feedback laseren
dc.subjectFabry-Perot laseren
dc.subjectactivation processen
dc.subjectPLOAM messagesen
dc.titleLasers in Passive Optical Networks and the Activation Process of an End Unit: A Tutorialen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-164704en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:42:05en
sync.item.modts2025.01.17 16:51:15en
thesis.grantorVysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií. Ústav telekomunikacícs
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