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1 个结果
  • 简介:Twosilicahostmagnesium(Mg)-aluminum(Al)-germanium(Ge)co-dopederbium-dopedfibers(EDFs)havebeenfabricated,whichhavedifferentMgconcentrations.Theconcentrationofallthecompositionsinthepreformismeasuredthroughelectronicsprobemicroanalysis(EPMA).ThemaximumMgconcentrationsoffibersAandBare3.98and1.28mol%,respectively.Theperformancecharacteristicsincludingabsorptionspectrumandgainaremeasuredandanalyzed.TheabsorptioncoefficientsoffibersAandBare13.3and14.3dB/mrespectivelyatwavelengthof1532nm.Themaxgainsofthesetwoerbium-dopedfiberamplifiers(EDFAs)are30.1and35.9dBwithinputsignalpowerof-30dBmandpumppowerof100mWat980nm.FiberBwithmaximumMgconcentration1.28mol%hasbetterperformancethanfiberA.FiberBhashighabsorptioncoefficientandhighgaincharacteristics.TheoptimumfiberBlengthofC-bandEDFAis7mandthatofL-BandEDFAisabout30m,whichismuchshorterthanstandardcommercialEDFAs.TheresultofexperimentsshowedthatafewMgaddedtosilicahostEDFcanincreasetheconcentrationoferbiumions,whichwillshortentheEDFlengthmuch,butnotdegradetheperformancecharacteristics.

  • 标签: 掺铒光纤放大器 硅基-铝-镁-锗 光学性质 吸收光谱