基于硅光波導和微環(huán)器件的波分復用光網絡色散監(jiān)測.pdf

1、浙江大學信電系碩士學位論文基于硅光波導和微環(huán)器件的波分復用光網絡色散監(jiān)測姓名：鄒良港申請學位級別：碩士專業(yè)：物理電子學指導教師：宋牟平20100125浙江大學碩士學位論文AbstractAbstractDispersionmonitoringisakeytechniqueofrealizinghighspeedopticalcommunicationThestructurebeinganall—opticalsystemcanbeint

2、egratedonachipwhenusingthenonlineareffectsofsiliconopticalwaveguidestomonitordispersionSiliconopticalwaveguideshavenotablenonlinearityWhenthesignalandprobelightgothroughthesiliconopticalwaveguideaftercombining，thesilicon

3、opticalwaveguidetakesonhighnonlineareffects，suchasselfphasemodulation(SPM)，crossphasemodulation(XPM)andfourwavemixing(FWM)，whichwillvaryinthedifferentresiduedispersionsofthelinkThesiliconopticalwaveguideismodeledusingMat

4、labandthedispersionmonitoringsystemisestablishedbasedonthewaveguideaftervalidateitViaeffectivelysettingthecentralfrequencyandbandwidthofthefilters，thedifferentspectrumchangesrelatedtoSPM，XPMandFWMCanbedetectedsimultaneou

5、slyinordertomonitorthelinkdispersionAsweknowtwo—photonabsorption(TPA)andfleecardereffectsinsiliconwaveguideswillresultinnotonlyattenuation，butalsospectrumdistortionTPAwillcausespectrumnarrowing，whilefleecarrierdispersion

6、(FCD)willcauseblueshiftinspectrumHowevertheseeffectsCanbeignoredwhentheinputsignalpowerislowenoughFinallythemonitoringdispersionrangecanbe40ps／nmformaxinthisschemeTheresearchtumsoutthistechniquecanbeusedtomonitortheresid

7、uedispersionofthelinkonthechiplevelMicro—ringstructureofsiliconwaveguidewillfurtherenhancenonlineareffectsinresonantfrequencyApplicationofmicroringdeviceswilleffectivelyimprovetheminiaturizationofmonitoringsystemKeywords