基于硅光波導(dǎo)和微環(huán)器件的波分復(fù)用光網(wǎng)絡(luò)色散監(jiān)測.pdf

1、浙江大學(xué)信電系碩士學(xué)位論文基于硅光波導(dǎo)和微環(huán)器件的波分復(fù)用光網(wǎng)絡(luò)色散監(jiān)測姓名：鄒良港申請學(xué)位級別：碩士專業(yè)：物理電子學(xué)指導(dǎo)教師：宋牟平20100125浙江大學(xué)碩士學(xué)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