Low frequency cutoff effects in fiber optic communication systems

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dc.contributor.authorKandlikar, Milinden
dc.contributor.committeechairJacobs, Iraen
dc.contributor.committeememberClaus, Richard O.en
dc.contributor.committeememberPratt, Timothy J.en
dc.contributor.departmentElectrical Engineeringen
dc.date.accessioned2014-03-14T21:45:14Zen
dc.date.adate2012-09-08en
dc.date.available2014-03-14T21:45:14Zen
dc.date.issued1988-05-05en
dc.date.rdate2012-09-08en
dc.date.sdate2012-09-08en
dc.description.abstractThe presence of low frequency cutoffs in the forward path of the information signal leads to inter-symbol interference (ISI) and degradation of the signal to noise ratio at the sampling instant in digital on-off keying (OOK) systems. The low frequency cutoffs occur as a result of the presence of power separation filters in a line wire system and gain instability of APD's to D.C. in fiber optic systems. Also, it is easier to design amplifiers that do not extend to D.C. The ISI which manifests itself in the form of baseline wander can cause appreciable degradation in the signal to noise ratio. This thesis investigates two ways of combating the baseline wander problem. They are quantized feedback and line coding schemes. A detailed performance evaluation of quantized feedback scheme is performed. An overview of line coding schemes is given and some specific codes are evaluated in terms of S/N degradation at the receiver.en
dc.description.degreeMaster of Scienceen
dc.format.extentvi, 66 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-09082012-040517en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-09082012-040517/en
dc.identifier.urihttp://hdl.handle.net/10919/44683en
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V855_1988.K362.pdfen
dc.relation.isformatofOCLC# 18562867en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V855 1988.K362en
dc.subject.lcshFiber opticsen
dc.subject.lcshOptical communicationsen
dc.titleLow frequency cutoff effects in fiber optic communication systemsen
dc.typeThesisen
dc.type.dcmitypeTexten
thesis.degree.disciplineElectrical Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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