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Minimizing differential modal gain in cladding-pumped EDFAs supporting four and six mode groups

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dc.contributor.authorKang, Q.
dc.contributor.authorLim, E.L.
dc.contributor.authorPoletti, F.
dc.contributor.authorJung, Y.
dc.contributor.authorBaskiotis, C.
dc.contributor.authorAlam, S.U.
dc.contributor.authorRichardson, D.J.
dc.date.issued2014
dc.descriptionLink to a related website: https://eprints.soton.ac.uk/368480/1/6620.pdf, Open Access via Unpaywall
dc.description.abstractWe employ a Genetic Algorithm for the purpose of minimization of the maximum differential modal gain (DMG) over all the supported signal modes (at the same wavelength) of cladding-pumped four-mode and six-mode-group EDFAs. The optimal EDFA designs found through the algorithm provide less than 1 dB DMG across the C-band (1530-1565 nm) whilst achieving more than 20 dB gain per mode. We then analyze the sensitivity of the DMG to small variations from the optimal value of the erbium doping concentration and the structural parameters, and estimate the fabrication tolerance for reliable amplifier performance.
dc.identifier.citationOptics Express, 2014; 22(18):21499-21507
dc.identifier.doi10.1364/OE.22.021499
dc.identifier.issn1094-4087
dc.identifier.issn1094-4087
dc.identifier.urihttps://hdl.handle.net/11541.2/123112
dc.language.isoen
dc.publisherOptical Society of America
dc.relation.fundingEuropean Communities 7th Framework Program 258033 (MODE-GAP)
dc.rightsCopyright 2014 Optical Society of America
dc.source.urihttp://dx.doi.org/10.1364/OE.22.021499
dc.subjectmodal gain
dc.subjecterbium
dc.subjectlasers
dc.subjectmultimode fiber
dc.subjectfiber amplifiers
dc.subjectspace division multiplexing
dc.titleMinimizing differential modal gain in cladding-pumped EDFAs supporting four and six mode groups
dc.typeJournal article
pubs.publication-statusPublished
ror.mmsid9916105278601831

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