文档介绍:ElsevierAcademicPress30CorporateDrive,Suite400,Burlington,MA01803,USA525BStreet,Suite1900,SanDiego,California92101-4495,USA84Theobald’sRoad,LondonWC1X8RR,UKThisbookisprintedonacid-#2009,,electronicormechanical,includingphotocopy,recording,oranyinformationstorageandretrievalsystem,’sScience&TechnologyRightsDepartmentinOxford,UK:phone:(þ44)1865843830,fax:(þ44)1865853333,E-mail:******@-lineviatheElsevierhomepage(),byselecting“CustomerSupport”andthen“ObtainingPermissions.”LibraryofCongressCataloging-in-PublicationDataAPPLICATIONSUBMITTEDBritishLibraryCataloguinginPublicationDataAcataloguerecordforthisbookisavailablefromtheBritishLibraryISBN:978-0-12-373865-PrintedinTheUnitedStatesofAmerica080910**********ToEricaandAndy,withLovePrefaceModernfiber-municationsdatebacktotheearly1960swhenCharlesKaotheoreticallypredictedthathigh-speedmessagescouldbetransmitedlongdistancesoveranarrowglasswaveguide,,essfullyfabricatedopticalfibersusingfused-silicawithalossoflessthan20dB/-,fiberlossesdroppeddramatically,aidedbothbyimprovedfabricationmethodsandtheshifttolongerwavelengths,,theprospectoflongdistancefiber-municationintensi--infraredsemiconductorlasersandLEDsoperatingat810nm,-dowalonecanbeaswideas80nm,,manyinnovativetechnologieshaveb