Compact and high-sensitivity 100-Gbs (4 × 25 )

Compactandhigh-sensitivity100-Gb/s(4×25Gb/s)APD-ROSAwithaLAN-WDMPLCdemultiplexerToshihideYoshimatsu,*MasahiroNada,ManabuOguma,HarukiYokoyama,TetsuichiroOhno,YoshiyukiDoi,IkuoOgawa,HiroshiTakahashi,andEijiYoshidaNTTPhotonicsLaboratories,NTTCorporation,3-1MorinosatoWakamiya,Atsugi,Kanagawa,243-0198,Japan*yoshimatsu.toshihide@lab.ntt.co.jpAbstract:Wedemonstrateanintegrated100GbEreceiveropticalsub-assembly(ROSA)thatincorporatesamonolithicfour-channelavalanchephotodiode(APD)arrayandaplanerlightwavecircuit(PLC)basedLAN-WDMdemultiplexer.Arecordminimumreceiversensitivityof−20dBmand50-kmerror-freeSMFtransmissionwithoutanopticalamplifierhavebeenachieved.©2012OpticalSocietyofAmericaOCIScodes:(040.1345)Avalanchephotodiodes(APDs);(230.7390)Waveguides,planar;(130.0250)Optoelectronics.Referencesandlinks1.http://www.cfp-msa.org.2.S.Kanazawa,T.Fujisawa,N.Nunoya,A.Ohki,K.Takahata,H.Sanjoh,R.Iga,andH.Ishii,“Extremelysmall-form100GbEtransmitteropticalsub-assemblyforfutureinterdatacentercloudnetworks,”inProceedingsofOFC/NFOEC2012,PDP5B.8(2012).3.M.Nada,Y.Muramoto,H.Yokoyama,N.Shigekawa,T.Ishibashi,andS.Kodama,“InvertedInAlAs/InGaAsavalanchephotodiodewithlow–high–lowelectricfieldprofile,”Jpn.J.Appl.Phys.51(2),02BG03.1–02BG03,4(2012).4.M.Nada,Y.Muramoto,H.Yokoyama,T.Ishibashi,andS.Kodama,“InAlAsAPDwithhighmultipliedresponsivity-bandwidthproduct(MR-bandwidthproduct)of168A/W.GHzfor25Gbit/shigh-speedoperations,”Electron.Lett.48(7),397–399(2012).5.M.Nada,Y.Muramoto,H.Yokoyama,T.Ishibashi,andS.Kodama,“