Orthogonal chirp division multiplexing for coherent optical fiber communications

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dc.contributor.authorOuyang, Xing
dc.contributor.authorZhao, Jian
dc.contributor.funderScience Foundation Irelanden
dc.date.accessioned2016-10-27T08:56:09Z
dc.date.available2016-10-27T08:56:09Z
dc.date.issued2016-08-07
dc.description.abstractIn this paper, we propose an orthogonal chirp division multiplexing (OCDM) technique for coherent optical communication. OCDM is the principle of orthogonally multiplexing a group of linear chirped waveforms for high-speed data communication, achieving the maximum spectral efficiency (SE) for chirp spread spectrum, in a similar way as the orthogonal frequency division multiplexing (OFDM) does for frequency division multiplexing. In the coherent optical (CO)-OCDM, Fresnel transform formulates the synthesis of the orthogonal chirps; discrete Fresnel transform (DFnT) realizes the CO-OCDM in the digital domain. As both the Fresnel and Fourier transforms are trigonometric transforms, the CO-OCDM can be easily integrated into the existing CO-OFDM systems. Analyses and numerical results are provided to investigate the transmission of CO-OCDM signals over optical fibers. Moreover, experiments of 36-Gbit/s CO-OCDM signal are carried out to validate the feasibility and confirm the analyses. It is shown that the CO-OCDM can effectively compensate the dispersion and is more resilient to fading and noise impairment than OFDM.en
dc.description.sponsorshipScience Foundation Ireland (SFI Starting Investigator Research (SIRG) Grant 11/SIRG/I2124 and SFI Career Development Award (CDA) Programme Grant 15/CDA/3652)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationOuyang, X. and Zhao, J. (2016). Orthogonal chirp division multiplexing for coherent optical fiber communications. Journal of Lightwave Technology, 34, 4376-4386. doi: 10.1109/JLT.2016.2598575en
dc.identifier.doi10.1109/JLT.2016.2598575
dc.identifier.endpage4386en
dc.identifier.issn0733-8724
dc.identifier.issued18en
dc.identifier.journaltitleJournal of Lightwave Technologyen
dc.identifier.startpage4376en
dc.identifier.urihttps://hdl.handle.net/10468/3217
dc.identifier.volume34en
dc.language.isoenen
dc.publisherIEEEen
dc.rights© 2016 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.en
dc.subjectChirp spread spectrumen
dc.subjectCoherent optical communicationen
dc.subjectDiscrete Fresnel transformen
dc.subjectFresnel diffraction integralen
dc.subjectOrthogonal chirp division multiplexing (OCDM)en
dc.subjectOrthogonal frequency division multiplexingen
dc.titleOrthogonal chirp division multiplexing for coherent optical fiber communicationsen
dc.typeArticle (peer-reviewed)en
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