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Multiband Carrierless Amplitude Phase Modulation for High Capacity Optical Data Links
KTH, School of Information and Communication Technology (ICT), Materials- and Nano Physics, Optics and Photonics, OFO.ORCID iD: 0000-0002-8543-4531
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2014 (English)In: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 32, no 4, 798-804 p.Article in journal (Refereed) Published
Abstract [en]

Short range optical data links are experiencing bandwidth limitations making it very challenging to cope with the growing data transmission capacity demands. Parallel optics appears as a valid short-term solution. It is, however, not a viable solution in the long-term because of its complex optical packaging. Therefore, increasing effort is now put into the possibility of exploiting higher order modulation formats with increased spectral efficiency and reduced optical transceiver complexity. As these type of links are based on intensity modulation and direct detection, modulation formats relying on optical coherent detection can not be straight forwardly employed. As an alternative and more viable solution, this paper proposes the use of carrierless amplitude phase (CAP) in a novel multiband approach (MultiCAP) that achieves record spectral efficiency, increases tolerance towards dispersion and bandwidth limitations, and reduces the complexity of the transceiver. We report on numerical simulations and experimental demonstrations with capacity beyond 100 Gb/s transmission using a single externally modulated laser. In addition, an extensive comparison with conventional CAP is also provided. The reported experiment uses MultiCAP to achieve 102.4 Gb/s transmission, corresponding to a data payload of 95.2 Gb/s error free transmission by using a 7% forward error correction code. The signal is successfully recovered after 15 km of standard single mode fiber in a system limited by a 3 dB bandwidth of 14GHz.

Place, publisher, year, edition, pages
2014. Vol. 32, no 4, 798-804 p.
Keyword [en]
Fiber optics communication, multiband carrierless amplitude phase modulation (MultiCAP), short range communications
National Category
Telecommunications Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:kth:diva-141713DOI: 10.1109/JLT.2013.2284926ISI: 000330128500010ScopusID: 2-s2.0-84893405396OAI: diva2:698277

QC 20140221

Available from: 2014-02-21 Created: 2014-02-21 Last updated: 2014-02-21Bibliographically approved

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Iglesias Olmedo, MiguelPopov, Sergei
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