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dc.contributor.authorBae, JK-
dc.contributor.authorBae, JH-
dc.contributor.authorKim, SH-
dc.contributor.authorPark, N-
dc.contributor.authorLee, SB-
dc.date.accessioned2024-01-21T05:01:45Z-
dc.date.available2024-01-21T05:01:45Z-
dc.date.created2021-09-03-
dc.date.issued2005-06-
dc.identifier.issn1041-1135-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/136431-
dc.description.abstractWe introduce a new type of dynamic erbium-doped fiber amplifier (EDFA) gain-flattening filter using two long-period fiber gratings (LPFGs) equipped with divided coil-heaters. By individually controlling each of the 64 segments of coil heaters over the grating, we adjusted the temperature distribution of LPFGs piecewise-uniformly, thus, to maintain optimum gain-flatness for different EDFA operation conditions. By controlling the different cladding modes for each LPFGs, we also achieve enhanced controllability/flexibility for the filter spectrum of dynamic LPFG. Wide dynamic-range gain/power control with less than 0.8-dB signal ripples, over 30 nm was demonstrated.-
dc.languageEnglish-
dc.publisherIEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC-
dc.subjectPERIOD FIBER GRATINGS-
dc.titleDynamic EDFA gain-flattening filter using two LPFGs with divided coil heaters-
dc.typeArticle-
dc.identifier.doi10.1109/LPT.2005.847439-
dc.description.journalClass1-
dc.identifier.bibliographicCitationIEEE PHOTONICS TECHNOLOGY LETTERS, v.17, no.6, pp.1226 - 1228-
dc.citation.titleIEEE PHOTONICS TECHNOLOGY LETTERS-
dc.citation.volume17-
dc.citation.number6-
dc.citation.startPage1226-
dc.citation.endPage1228-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000229850300030-
dc.identifier.scopusid2-s2.0-20544446121-
dc.relation.journalWebOfScienceCategoryEngineering, Electrical & Electronic-
dc.relation.journalWebOfScienceCategoryOptics-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalResearchAreaEngineering-
dc.relation.journalResearchAreaOptics-
dc.relation.journalResearchAreaPhysics-
dc.type.docTypeArticle-
dc.subject.keywordPlusPERIOD FIBER GRATINGS-
dc.subject.keywordAuthorband-rejection filter-
dc.subject.keywordAuthordivided heater-
dc.subject.keywordAuthorlong-period fiber gratings (LPFGs)-
dc.subject.keywordAuthortunable-
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