波分复用系统的光信噪比与代价测试方法探讨
波分复用系统的光信噪比与代价测试方法探讨中图分类号： TN98 The OSNR and Penalty for DWDM Lei Fei, Tan Benming (FiberHome Te
波分复用系统的光信噪比与代价测试方法探讨 中图分类号： TN98 TheOSNRandPenaltyforDWDM LeiFei,TanBenming (FiberHomeTelecommunicationTechnologiesCo.,Ltd.HubeiWuhan430074) Abstract:Insteadofopticalamplifiernoise,somebodytestthe performancerelatingwithpenaltyofopticalcommunicationsystemalways addnoiseuseASE.Thispaperanalyzedthecomposingofoptical amplifiernoise,thenshowthedifferencebetweentheopticalamplifier noiseandASEnoisewhilesameOSNRonWDMsystemandtheeffectofthe differencewhentomeasuresomeparameteroftransmissionsystem.The experimentationsystemfortestpenaltywasdesignedandbeenmeasured, thedifferenceoftestresultis0.3dBforthem.Throughanalyzeforthe testresult,thispaperpointoutthewaywhichhowtogetthetrue systemparameterwhentotestsomeperformancerelatetoOSNRpenalty. Keywords:noiseofopticalamplifier,ASE,OSNR,penalty,tolerance 一、概述 早期作为评估光传输系统线路参数对接收性能影响的技术指标，主要是评估光反
