分布反馈-DFB-光纤激光器温度特性研究-史云飞

205200437TN913.24AThetemperaturecharacteristicsofdistributed-feedbackfiberlaserbasedonphase-shiftedfibergratingSHIYun-fei(No.23ResearchInstituteofChinaElectronicsTechnologyGroupCorporation,Shanghai200437,China)Abstract:Thetemperaturecharacteristicsofdistributed-feedbackfiberlaser(DFBFL),whichbasedonphase-shiftedfibergrating,areinvestigatedexperimentallyatthreedifferenttemperatures(32,60and-25)respectively.TheexperimentresultsshowedthatthethresholdoftheDFBFListhehighestanditsslopeefficiencyisthelowestatthetemperatureof60,whileitsoutputpowerchangesimilarlywithpumppowerlinearlyatthedifferenttemperatures.ThewavelengthoftheDFBFLshiftswithtemperaturelinearly,andthechangecoefficientisagreementwellwiththetheoreticaltemperaturesensitivityofafiberBragggrating,whichwritteninaGe-dopedsinglefiber.Keywords:distributed-feedback;fibergrating;fiberlaser;temperaturecharacteristic20602072084060801001201401601802002202400102030405060+32οC0.592+60οC0.526-25οC0.661(µW)(mA)-40-2002040601530.01530.21530.41530.61530.81531.0KT=0.0109nm/oCWDM209[1]D.J.Hjll,pjNash,D.A.Jackson,D.J.Web,S.F.O'Nei11,Bennion,andL.Zhang,“Afiberlaserhydrophonearray”,SPIEVol.3860.0277-786X/99,55-66[2]ScottFostera,AlexeiTikhomirova,MarkMilnesa,JohnvanVelzena,GrahamHardyb,“AFibreLaserHydrophone”,ProceedingsofSPIEVol.5855.0277-786X/05,627-630[3]JamesE.A.Whiteawayetal,“Thedesignandassessmentofλ/4phaseshiftedDFBlaserstructures”,IEEEJournalofQuantumElec,1989,Vol.25,no.6,1261-1279[4]W.H.Loh,P.Vaming,“1.55µmphaseshifteddistributedfeedbackfiberlaser”,Elec.Lett,1995,Vol.31,1440-1441[5]A.Asseh,H.Story,J.T.Kringlebotn,W.Margulis,B.Sahlgren,R.Stubbe,G.Edwall,“10cmYbDFBfiberlaserwithpermanentphaseshiftedgrating”,Elec.Lett,1995,Vol.31,969-970[6]FanWei,BaiChen,XuechunLi,LanrongChen,ZunqiLin,“Yb-dopednon-π-phase-shifteddistributedfeedbackfiberlaser”,ChinesePhysicsLetters,2002,vol.19(8),1108-1111