偏振控制器的無盡控制研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文偏振控制器的無盡控制研究姓名：肖遠申請學(xué)位級別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：孫軍強20060428IIAbstractWiththerapiddevelopmentofcommunicationtechnologycommunicationsystemsarememesensitivetotheseriesdamagescausedbypolarizationwhenthetransmissionspeedimp

2、rovessuchaspolarizationmodedispersion(PMD)polarizationdependentloss(PDL)atc.AccdinglytheapplicationofpolarizationcontrollerappearsawidernewwldsuchasPMDmeasurementcompensationpolarizationscramblingPDLinspectingcompensatio

3、n.Rapidpolarizationcontrollersmostlyhaveresetproblems:Withtheendlessexcursionoftheinputsignal’sstateofpolarizationthecontrolquantitymayreachtheboundaryofitsrangethenitneedsresettokeeponturning.It’sabigdifficultyinstudyin

4、gpolarizationcontroller’scontrolmethodswhichishowtorealizetheresetofthecontrollerwithoutaffectingpreviouscontrolresults.Thecontentsofthisthesisareimptantwksbaseonthenational“TenthFive”tacklekeyprojectWuhancity’stacklekey

5、project.Itsystematicallyanalyzedtheprincipletheresetschemeoftypicalfourchannelpolarizationcontrollerwhichisbasedonsqueezingfiber.thesystematicaltestresultsaregivenindetail.Themainresearchcontentsresultsaregivenasfollows:

6、(1)Principlesacteristicsofdifferenttypesofpolarizationcontrollersareanalyzedthecompareofthedifferenceofthesepolarizationcontrollersarediscussedbasedonthemdrawnaconclusionthatthepolarizationcontrollerwhichbasedonsqueezing

7、fiberhasvariabledelayquantityaresuitablefhighspeedopticalcommunicationsystem.(2)Theresetprincipleofthetypicalfourchannelpolarizationcontrollerwhichisbasedonsqueezingfiberisanalyzedthedesignofitsconcreteresetschemeisgiven

8、basedonthem.Theresetprocessthecrespondingoperationlistaregivenindetail.(3)ThesystematicalexperimentismadewhenthetypicalfourchannelpolarizationcontrollerisputintothePMDcompensat.Theexperimentresultshowedthatthechannelwhic

9、hneedsresetcanefficientlyreturntothemeanplacetheeffectofresetwasgooditdidn’tcauseanybadnessinfectiononPMDcompensation.(4)AnewtypeopticalsignaltimedomaindepolarizerisgivenanewPMDcompensatemethodisgivenbasedonit.Thismethod