Using digital masks to enhance the bandwidth tolerance and improve利用数字掩模提高带宽容差和改善 片上储层计算系统的性能

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1、>REPLACETHISLINEWITHYOURPAPERIDENTIFICATIONNUMBER(DOUBLE-CLICKHERETOEDIT)<1Usingdigitalmaskstoenhancethebandwidthtoleranceandimproveperformanceinon-chipreservoircomputingsystemsBendixSchneider,JoniDambre,Member,IEEEandPeterBienstman,Member,IEEEonconventionalcomputers.Aspecialroleisattributedtoa

2、ll-Abstract—ReservoirComputing(RC)isacomputingschemeopticalRCset-upsduetotheirinherenthighbandwidthwhichrelatedtorecurrentneuralnetworktheory.Asamodelforallowsforatremendousincreaseincomputingspeed.Aneuralactivityinthebrainitattractsalotofattention,especiallynetworkofintegratedSOAs(semiconductor

3、opticalbecauseofitsverysimpletrainingmethod.However,buildingaamplifiers)[14],[15],asinglenon-linearnodeinadelayedfunctional,on-chip,photonicimplementationofRCremainsafeedbackloop[16],andasemiconductorlaserdiodesubjecttochallenge.ScalingdelaylinesdownfromopticalfibrescaletochipscaleresultsinRCsys

4、temsthatcomputefaster,butatthedelayedself-feedback[17]havebeenproposedamongothers.sametimerequirethattheinputsignalsarealsoscaledupinTheon-chipphotonicintegrationofareservoiroffersthespeed,whichmightbeimpracticalorexpensive.Inthispaper,weadvantageofminiaturisation,cost-effectivenessandtheshowtha

5、tthisproblemcanbealleviatedbyamaskedRCsystempossibilityformassfabrication.However,itcanonlyperforminwhichtheamplitudeoftheinputsignalismodulatedbyausefulcomputationifitsinternaltimescalesmatchthebinary-valuedmask.Foraspeechrecognitiontaskwetimescaleoftheinputsignalathand.Itisdesirabletopreserved

6、emonstratethatthenecessaryinputsampleratecanbeafactorof40smallerthaninaconventionalRCsystem.Additionally,wetheinherentlyhighbandwidththatisofferedbythephotonicalsoshowthatlineardiscriminantanalysisandinputmatriximplementation.Yet,thischoicecompelstimescaleoptimisationisawell-performingalternativ

7、etolinearregressioncompressionformanyreal-timeapplications,e.g.speechforreservoirtraining.recognition,andimpliestheuseofhigh-speed,analoguewaveformgeneratorsasprerequisitesforRC.GiventhattheseIndexTerms—Photonicreservoircomp