Analysis of distributed Raman amplification in the S-band over a 100 km fiber span

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dc.contributor.authorFiuza J.
dc.contributor.authorMizutani F.
dc.contributor.authorMartinez M.A.G.
dc.contributor.authorPontes M.J.
dc.contributor.authorRocco Giraldi M.T.M.
dc.date.accessioned2024-03-13T01:39:51Z
dc.date.available2024-03-13T01:39:51Z
dc.date.issued2007
dc.description.abstractThe S-band is the next generation transmission window for dense wavelength division multiplexed systems. Distributed Raman amplification in the S band is specially challenging in optical communication systems deploying standard optical fibers. The pump wavelengths are located around the water peak wavelength for Raman amplification in the S-band region. The strong absorption around this wavelength region requires a higher pump power value to attain a given amount of on-off gain. Additionally, the effective noise figure of the distributed Raman amplifiers increases with pump absorption. The feasibility of a 70nm optical bandwidth Raman distributed amplification over 100km is numerically demonstrated using a True Wave Reach Low Water Peak optical fiber in the S-band. The reliability of the analysis lies in experimental Raman gain data, specially measured for S-band operation, used as input parameter in the numerical simulations. Additionally, the separation of the different processes to spectral gain shape in the analysis, such as pump-signal and pump-pump interactions, allows a straightforward determination of pump wavelengths and powers levels to cover the entire S band with minimum gain ripple. The analysis indicates the feasibility of a 15dB on/off gain with a gain ripple smaller than 2dB over 100km fiber span throughout the S band with the use of four pump lasers with power levels ranging from tenths to hundreds of miliwatts. © 2007 SBMO.
dc.description.firstpage323
dc.description.issuenumber1
dc.description.lastpage334
dc.description.volume6
dc.identifier.issn1516-7399
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/37647
dc.relation.ispartofJournal of Microwaves and Optoelectronics
dc.rightsAcesso Restrito
dc.subject.otherlanguageDistributed Raman amplification
dc.subject.otherlanguageLow water peak fibers
dc.subject.otherlanguageS-band
dc.titleAnalysis of distributed Raman amplification in the S-band over a 100 km fiber span
dc.typeArtigo de evento
local.scopus.citations4
local.scopus.eid2-s2.0-35449000117
local.scopus.subjectDistributed Raman amplification
local.scopus.subjectLow water peak fibers
local.scopus.subjectNext generation transmission window
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=35449000117&origin=inward
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