High speed optical communication systems: From modulation formats to radically new fibres

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dc.check.embargoformatE-thesis on CORA onlyen
dc.check.infoPlease note that Chapter 1 (pp.1-9) is unavailable indefinitely due to a restriction requested by the author.en
dc.check.opt-outNot applicableen
dc.check.reasonThis thesis contains third party copyrighted materials for which permission was not given for online useen
dc.contributor.advisorMorrison, Alan P.en
dc.contributor.advisorGunning, Fatima C. Garciaen
dc.contributor.advisorEllis, Andrew D.en
dc.contributor.authorMac Suibhne, Naoise C.
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Commissionen
dc.date.accessioned2015-08-12T11:52:30Z
dc.date.available2015-08-12T11:52:30Z
dc.date.issued2014
dc.date.submitted2014
dc.description.abstractHigh volumes of data traffic along with bandwidth hungry applications, such as cloud computing and video on demand, is driving the core optical communication links closer and closer to their maximum capacity. The research community has clearly identifying the coming approach of the nonlinear Shannon limit for standard single mode fibre [1,2]. It is in this context that the work on modulation formats, contained in Chapter 3 of this thesis, was undertaken. The work investigates the proposed energy-efficient four-dimensional modulation formats. The work begins by studying a new visualisation technique for four dimensional modulation formats, akin to constellation diagrams. The work then carries out one of the first implementations of one such modulation format, polarisation-switched quadrature phase-shift keying (PS-QPSK). This thesis also studies two potential next-generation fibres, few-mode and hollow-core photonic band-gap fibre. Chapter 4 studies ways to experimentally quantify the nonlinearities in few-mode fibre and assess the potential benefits and limitations of such fibres. It carries out detailed experiments to measure the effects of stimulated Brillouin scattering, self-phase modulation and four-wave mixing and compares the results to numerical models, along with capacity limit calculations. Chapter 5 investigates hollow-core photonic band-gap fibre, where such fibres are predicted to have a low-loss minima at a wavelength of 2μm. To benefit from this potential low loss window requires the development of telecoms grade subsystems and components. The chapter will outline some of the development and characterisation of these components. The world's first wavelength division multiplexed (WDM) subsystem directly implemented at 2μm is presented along with WDM transmission over hollow-core photonic band-gap fibre at 2μm. References: [1]P. P. Mitra, J. B. Stark, Nature, 411, 1027-1030, 2001 [2] A. D. Ellis et al., JLT, 28, 423-433, 2010.en
dc.description.sponsorshipScience Foundation Ireland (SFI Grant 06/IN/I969); European Commission (EU 7th Framework Programme under grant agreement 258033 (MODE-GAP))en
dc.description.statusNot peer revieweden
dc.description.versionAccepted Version
dc.format.mimetypeapplication/pdfen
dc.identifier.citationMac Suibhne, N. 2014. High speed optical communication systems: From modulation formats to radically new fibres. PhD Thesis, University College Cork.en
dc.identifier.endpage142
dc.identifier.urihttps://hdl.handle.net/10468/1895
dc.language.isoenen
dc.publisherUniversity College Corken
dc.rights© 2014, Naoise Mac Suibhne.en
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/en
dc.subjectPhotonicsen
dc.subjectFiberen
dc.subjectPS QPSKen
dc.subjectOptical communicationsen
dc.subjectHigh speed communicationen
dc.subjectOptical fibreen
dc.subjectNovel optical fibreen
dc.subjectOptical fibre communicationsen
dc.subjectSpace division multiplexingen
dc.subjectHollow core fibreen
dc.subjectFew mode fibreen
dc.subjectMultimode fibreen
dc.subjectFibre nonlinearityen
dc.subjectOptical modulation formatsen
dc.subjectModulation formatsen
dc.thesis.opt-outfalse
dc.titleHigh speed optical communication systems: From modulation formats to radically new fibresen
dc.typeDoctoral thesisen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePHD (Engineering)en
ucc.workflow.supervisora.morrison@ucc.ie
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