Fiber-opticcommunicationisamethodoftransmittinginformationfromoneplacetoanotherbysendingpulsesoflightthroughanopticalfiber.Thelightformsanelectromagneticcarrierthatismodulatedtocarryinformation.Firstdevelopedinthe1970s,fiber-opticcommunicationsystemshaverevolutionizedthetelecommunicationsindustryandhaveplayedamajorroleintheadventof...
光纤通信_1.Fiber_Optic_Communications_System教材教学课件.ppt,演示文稿演讲PPT学习教学课件医学文件教学培训课件Fiber Optic Communications;Fiber Optic Communications;Fiber Optic Communications; Chapter 1: Fiber Optic Communication Systems Chapter 2: Optics R
Fiber-Optic Communication Systems.ppt,* * * * * * * * * * * OE of HUST * Chapter 1. Introduction System Components Characteristics Evolution Review Basic Concepts * OE of HUST * 1.3 Basic Concepts 1.3.1 Analog Digital Signals Fig.1.3 Representation of (a
Fiber-Optic Communication Systems An Introduction[光纤通信系统简介](PPT-36).ppt,Fiber in the Access End Passive Optical Networks (PON) – No active elements or O/E conversion Fibre-Coaxial (analog) or DSL (digital) fibre-copper systems Radio over fibre (
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fiber optic communication block diagram pptfiber optic diagram
1.6SummaryAndDiscussionh8Pleasereadtheparagraphsfrom“lightwasalwaysbeenwithus”to“Infact,anytypeofindicatorlampisbasicallyanopticcommunicationssystem”Whenyouarereading,pleasethinkabouttwoquestions:1.Howmanykindsoftraditionalcommunicationsystemsithasintroduced?2.2.what’sthecommondisadvantageofthesecommunicationsystems?
Fiber-OpticCommunicationSystemsDr.ChangjianKeTel:87543355-3152Mobile:15927192588Email:cjke@mail.hust.edu4/28/2017OEofHUST2Outline1.Introduction2.Fiber→(Loss,Dispersion,Nonlinearity)3.OpticalTransmitter→(LD/LED,Drivingcircuit)4.OpticalReceiver→(PIN/APD,Noise,Sensitivity)5.System→(Structure&Design)6....
1.1.1NeedforFiber-OpticCommunications 1966:Itissuggestedthatopticalfibersmightbethebestchoiceasacommunicationchannel.1970:Low-lossopticalfibers(below20dB/kminthewavelengthregionnear1μm)Compactopticalsources(GaAssemiconductorlasers)1.1.2EvolutionofLightwaveSystems 1.2BasicConcepts 1.2.1AnalogyandDigital...
“ray”thatcouldbereflectedandrefractedthroughmirrorsandprismsetc.Theraysshowthedirectionofenergyflowinthelightbeam.Inopticalfibercommunicationsystem,Italwaysbeusedtodiscusslightpropagationinmultimodefibers.Problem:itiscannotexplainmanyphenomenawemakeuseofinopticalfibercommunication.12/14/20224TheSch.OfInformation...