Silicon photonic chips tau txav los ntawm cov chaw tshawb fawb mus rau hauv cov ntsiab lus ntawm siab -speed optical transceivers. Raws li 400G modules dhau los ua tus qauv hauv cov chaw khaws ntaub ntawv hyperscale thiab 800G thiab 1.6T kev xa tawm nrawm rau AI pawg, cov cuab yeej siv chip hauv qab tsis yog qhov kev txhawj xeeb ntawm cov dej ntws xwb - nws ncaj qha qhia seb cov fiber ntau optic cables, MPO / MTP cov rooj sib tham, thiab kev sib txuas cov peev nyiaj yuav tsum tau tsim.
Kev nce qib tsis ntev los no los ntawm cov chaw muag khoom hauv Suav teb hauv 200G, 400G thiab 800G silicon photonic li tau ntxiv lwm qhov tseem ceeb rau cov neeg yuav khoom cable thiab cov kws tsim qauv hauv network los taug qab. Raws li cov chaw tsim khoom siv fiber ntau optic ua haujlwm nrog cov tswv lag luam, hyperscalers, thiab cov neeg koom ua ke, peb saib cov qauv no tsis yog zaj dab neeg nti, tab sis raws li cov lus nug ntawmnws txhais li cas rau cov cabling uas zaum hauv qab txhua qhov siab - txuas ceev.
Dab tsi yog 400G Silicon Photonic Chip?
Ib lub silicon photonic nti integrates optical Cheebtsam - modulators, waveguides, detectors, thiab (nyob rau hauv heterogeneous designs) laser qhov chaw - ntawm silicon substrate siv CMOS - ua tau zoo. Piv nrog cov tsoos discrete optics ua nyob ib ncig ntawm indium phosphide (InP) lossis gallium arsenide (GaAs), silicon photonics lub hom phiaj rau kev sib koom ua ke nruj dua, qis zog ib me ntsis, thiab zoo dua scaling ntawm cov kab semiconductor uas twb muaj lawm.
A 400G silicon photonic nti feem ntau txhawb nqa 4 × 100G lossis 1 × 400G ib lub voj voog, ua ke nrog PAM4 kev hloov pauv thiab DSP, thiab yog lub tshuab kho qhov muag hauv QSFP-DD, OSFP, thiab tawm 800G / 1.6T daim ntawv foos.
Vim li cas Silicon Photonics tseem ceeb rau siab -Speed Optical Networks
Kev hloov mus rau silicon photonics yog tsav los ntawm peb lub zog uas txhua tus neeg siv cov ntaub ntawv chaw yuav paub txog: lub zog, qhov ntom ntom, thiab tus nqi ib ntsis.
- Lub zog efficiency.AI kev cob qhia pawg tsom mus rau cov bandwidth loj heev nyob rau hauv ib kab kab, thiab txhua watt siv rau optics yog watt tsis muaj rau kev suav. Silicon photonics tau dhau los ua txoj hauv kev ua kom muaj zog ib gigabit ntawm qhov kev poob qis ntawm 400G thiab siab dua.
- Kev sib xyaw ntom ntom.Haum ntau txoj kab rau hauv tib qhov qauv hneev taw yog dab tsi ua rau 800G thiab 1.6T transceivers mus txog rau pem hauv ntej vaj huam sib luag.
- Manufacturing scale.Tsim cov khoom siv photonic ntawm cov qauv wafer kab yog qhov tso cai ntim kom loj hlob nrog rau kev thov los ntawm AI thiab huab tsim- tawm.
Yog xav paub ntxiv txog yuav ua li cas transceiver speeds daim ntawv qhia mus rau lub network tsim, peb daim ntawv rau800G optical modulestaug kev los ntawm cov kev xaiv sib cuam tshuam thiab qhov twg txhua thaj av hauv kev xa tawm tiag tiag.
Lub Push rau Hauv 400G Silicon Photonic Chips
Rau feem ntau ntawm kaum xyoo dhau los, siab -kawg silicon photonic chips rau 400G thiab siab dua yog cov neeg muag khoom Asmeskas thiab Nyij Pooj. Daim duab ntawd tau hloov lawm. Suav cov chaw muag khoom - suav nrog Accelink Technologies thiab HG Genuine (Huagong Zhengyuan) - tau tshaj tawm tias lawv 200G, 400G thiab 800G silicon photonic li tau mus txog theem tsim khoom thiab tab tom tsim rau hauv lawv tus kheej optical engines thiab modules.
Cov lus thov tshwj xeeb hais txog cov txiaj ntsig, tus nqi, cov neeg siv khoom xaj, thiab cov sij hawm sim hauv ib lub hlis twg yuav tsum tau ua tib zoo saib xyuas kom txog thaum muaj kev txhawb nqa los ntawm cov tuam txhab cov ntaub ntawv, cov ntaub ntawv txheeb xyuas, lossis kev lag luam loj. Dab tsi yog qhov tseem ceeb tshaj plaws rau cov txheej txheem cabling, yog qhov kev taw qhia dav dua: ntau qhov sib txawv ntawm silicon photonic mov, ntau dua 400G thiab 800G optical engines tuaj rau hauv kev lag luam, thiab kev nrawm dua rau AI- tsav thiab huab- tsav kev xa mus.
Qhov kev taw qhia ntawd muaj qhov cuam tshuam zoo tshaj qhov nti nws tus kheej.
Puas yog 400G Silicon Photonics Hloov Fiber Optic Cable Yuav Tsum Tau?
Lub fiber strand nws tus kheej - ib zaug -hom lossis multimode iav - tsis tas yuav rov tsim dua rau 400G. IEEE 802.3 tsev neeg ntawmEthernet qauvtxhais tau hais tias 400GBASE-DR4, FR4, LR4, SR4.2, SR8, thiab lwm yam kev sib txuas ntawm tib hom fiber ntau uas twb tau xa mus rau hauv cov chaw zov me nyuam feem ntau thiab cov xov tooj metro.
Dab tsi hloov yog yuav ua li cas unforgiving qhov txuas. Cov cim cim siab dua thiab PAM4 kev hloov kho kom nruj cov nyiaj txiag poob, nce rhiab heev rau hom kev faib suab nrov thiab chromatic dispersion, thiab muab qhov hnyav ntxiv rau qhov sib txuas zoo dua li 10G lossis 25G puas tau ua. Hauv kev xyaum, qhov ntawd txhais tau hais tias peb yam rau txheej cable:
- Insertion poob tseem ceeb dua.Ib qho me me ntxiv dB ntawm txhua lub vaj huam sib luag, splice, thiab MPO interface uas tau ua siab ntev ntawm 10G tuaj yeem tawg qhov txuas 400G.
- Kev ncav cuag luv dua li daim ntawv qhia tshwj xeeb qhia.Tiag tiag 400G/800G links tsis tshua muaj khiav ntawm qhov siab tshaj plaws ncav cuag vim hais tias pob nyiaj siv rau tiag tiag - ntiaj teb connector suav thiab khoov poob.
- Parallel optics dominate nyob rau hauv cov ntaub ntawv chaw.DR4 / SR4 / SR8 interfaces cia siab rau 8-fiber lossis 16-fiber MPO trunks es tsis yog duplex LC khub.
Kev cuam tshuam rau Data Center Cabling, MPO/MTP, thiab qis -Poob Fiber
Tib - hom vs multimode ntawm 400G
Rau cov ntaub ntawv chaw ncav cuag li ntawm 100 m, OM4 thiab OM5 multimode fiber ntau ua ke nrog SR-chav kawm transceivers tseem zoo nkauj ntawm tus nqi. Rau 500 m nce mus txog thiab siab dua, thiab rau yuav luag txhua AI pawg ntaub thiab DCI txuas, ib qho -hom dominates. Ntau tus neeg ua haujlwm tam sim no tau tsim qauv rau qis- poob G.652.D rau hauv- tsim kev khiav haujlwm thiab txiav txim siab G.654.E rau cov ntu ntev dua.
Ob yam khoom siv uas tuaj yeem tshwm sim hauv 400G / 800G tsim kev sib tham yog pebqis-poob G.652.D ib leeg- hom fiber ntauthiab pebG.654.E ultra-tsawg- poob fiber ntaurau ntev -haul thiab DCI daim ntawv thov. Rau multimode luv ncav cuag txuas,OM4 fiber ntautseem tshuav tus neeg ua haujlwm, nrog OM5 txaus nyiam qhov twg SWDM nyob rau hauv qhov.
MPO / MTP thiab parallel optics
Vim hais tias feem ntau 400G thiab 800G luv- ncav cuag interfaces yog tib yam, MPO-12 thiab MPO-16 lub cev tau dhau los ua cov txheej txheem rau cov ntaub ntawv chaw ntaub ntawv. Kev tswj hwm polarity (Hom A, B, lossis C), pinned vs. unpinned xaus, qis - poob APC connectors rau ib hom, thiab qhov kawg ntawm lub ntsej muag huv tam sim no tsav seb qhov txuas 400G tuaj huv si lossis cuam tshuam ntawm FEC yuam kev.
Peb lub ntsiab lus ntawmMPO / MTP cov khoomnpog cov pob tw, hlua, thiab hloov dua siab tshiab modules feem ntau siv nyob rau hauv txheej no, thiab peb daim ntawv ntawmMPO vs MTP sib txawvyog ib qho tseem ceeb primer rau cov neeg yuav khoom sib piv cov ntaub ntawv xa khoom.
Poob peev nyiaj lej lej
Rau 400G-DR4 thiab cov kev sib txuas zoo sib xws, kev siv nyiaj txuas ua haujlwm tom qab FEC yog qhov me me uas ob lub MPO txuas ntxiv ntawm cov khoom nruab nrab tuaj yeem haus tag nrho cov npoo. Kev qhia qis- cov khoom sib txuas poob ntawm txhua qhov kev sib tw - thiab txheeb xyuas nrog qhov poob thiab OTDR kev sim - tsis yog xaiv tau lawm. Peb cov lus qhia siv tau raufiber optic cable kuajtaug kev los ntawm dab tsi los txheeb xyuas ua ntej tig qhov siab - txuas ceev.
Dab tsi Cable Cov neeg yuav khoom yuav tsum xav txog rau 400G thiab 800G Networks
Los ntawm cov chaw tsim khoom qhov kev xav, cov tswv lag luam thiab cov neeg koom ua ke uas tau txais qhov huv tshaj plaws 400G / 800G tig-ups nyiam sib koom cov npe tshuaj xyuas:
- Xauv cov nyiaj poob qis thaum ntxov.Txiav txim siab seb qhov interface twg (DR4, FR4, LR4, SR4.2, SR8) yog nyob rau hauv cov peev txheej rau txhua qhov txuas, tom qab ntawd rov qab -Xaiv pes tsawg tus khub txuas thiab qhov ntev fiber ntau lub cabling tuaj yeem nqus tau.
- Standardize ntawm ib lossis ob qib fiber ntau.Kev sib xyaw G.652.D, qis- poob G.652.D, thiab G.654.E yam tsis muaj txoj cai meej tsim kev sib tw- taw tes tsis sib haum thiab tsis meej pem hauv thaj teb.
- Kho MPO polarity raws li kev txiav txim siab tsim, tsis yog kev kho qhov chaw.Xaiv hom A, B, lossis C nyob rau pem hauv ntej thiab sau nws rau txhua daim duab.
- Xav tau connector kawg -lub ntsej muag zoo.APC rau ib hom - tam sim no yog lub neej ntawd; UPC tau txais tsuas yog qhov kev xav tau nyiaj txiag tso cai rau nws.
- Npaj rau kauj ruam tom ntej.Cable yog amortized tshaj 10+ xyoo; transceivers tig dua sai dua. Ib tsob nroj tsim tsuas yog rau 400G yuav tsis zoo siab txais 800G lossis 1.6T.
Rau cov tswv lag luam npaj kev sib koom ua ke - tawm, pebdata center txuas kev daws teeb meemtxheej txheem cej luam piav qhia txog yuav ua li cas lub pob tw, thaj, thiab cov txheej txheem module feem ntau teev ua ke, thiab pebfiber ntau optic data center cablingnplooj ntawv npog cov tsev neeg cov khoom tshwj xeeb siv hauv hyperscale thiab AI pawg xa tawm.
Qhov no txhais tau li cas rau Kev Lag Luam
Yog tias cov khoom siv hauv tsev silicon photonic txuas ntxiv mus rau qhov ntsuas ntawm 400G thiab nce mus rau 800G, peb cov teebmeem hauv qab yog qhov tsim nyog rau kev cia siab:
- Optical module pricing siab yooj yim rau ntawm nti sab, tso nyiaj rau siab dua - cabling zoo thiab connectors - uas yog raws nraim qhov siab - ceev txuas feem ntau tsis ua hauj lwm.
- Lub 800G thiab 1.6T kev hloov pauv compresses, vim tias ntau ntawm cov saw hlau yog loj - ua rau tib lub sijhawm es tsis yog serially.
- AI pawg neeg ua haujlwm, uas yog cov neeg siv khoom nruj tshaj plaws ntawm cov khoom siv kho qhov muag tshiab, tau txais qhov thib ob rau cov khoom tseem ceeb, uas txhim kho lawv txoj kev npaj lub qab ntug rau cov ntaub tsim- tawm.
Tsis muaj cov txiaj ntsig tau hloov pauv lub cev ntawm fiber ntau nws tus kheej. Qhov lawv hloov pauv yog qhov nrawm ntawm cov neeg yuav khoom yuav tsum tau npaj nrog cov cabling uas phim cov optics.
FAQ
Q: Puas yuav 400G Silicon Photonics ua rau kuv OS2 Cabling Obsolete?
A: Tsis yog . 400GBASE-DR4, FR4 thiab LR4 txhua tus khiav ntawm tus qauv G.652-chav kawm ib zaug- hom fiber ntau. Cov nroj tsuag OS2 uas twb muaj lawm tseem tuaj yeem siv tau, txawm hais tias kev sib txuas cov peev nyiaj thiab cov khoom sib txuas zoo ua qhov tseem ceeb dua. Cov nroj tsuag qub nrog cov khoom sib txuas siab lossis cov splice ntau dhau yuav xav tau kev kho dua li kev hloov pauv.
Q: Kuv Puas Yuav Txhim Kho Kuv Cov Ntoo Multimode Ntawm OM3 Rau OM4 lossis OM5?
A: Rau kev tsim tshiab, OM4 yog lub hauv paus siv tau rau 400G luv - ncav cuag ntau hom. OM5 (wideband multimode) yog tsim nyog xav txog qhov twg SWDM -raws li kev sib tshuam nyob rau hauv cov peev txheej los yog qhov chaw koj xav tau headroom rau yav tom ntej luv - mus txog kev xaiv. OM3 feem ntau tsis yog txoj cai xaiv rau greenfield 400G ntaub.
Q: Qhov txawv ntawm MPO-12 thiab MPO-16 yog dab tsi?
A: MPO-12 tau ua tus thawj coj sib piv ntawm optics los ntawm 40G QSFP+ txog 400G-DR4. MPO-16 (thiab MPO-2 × 16) tau qhia los txhawb 8-txoj kab kev sib txuas xws li 400GBASE-SR8 thiab 800GBASE-SR8 hauv ib qho txuas. Tshiab AI pawg tsim tau nce hu tawm MPO-16 ntxiv rau MPO-12.
Q: Puas pheej yig dua Silicon Photonic Supply txhais tau tias pheej yig dua Fiber Optic Cable?
A: Indirectly. Module tus nqi txo kom tsis pub dhau qhov project pob nyiaj siv, uas feem ntau tau txais rov qab nqis peev hauv qib siab dua -qib fiber ntau thiab qis- cov khoom sib txuas tsis zoo dua li ncaj qha mus rau daim nqi ntawm cov ntaub ntawv. Tag nrho cov nqi ntawm cov tswv cuab zaj dab neeg rau cabling feem ntau txhim kho nyob rau hauv connector thiab sib dhos theem es tsis yog nyob rau hauv raw fiber nws tus kheej.
Q: Kuv yuav tsum xeem dab tsi ua ntej tig mus rau 400G Txuas?
A: Xaus-mus rau- xaus qhov kev poob qis, rov qab poob rau ib zaug - hom, OTDR cov cim rau kev sib txuas thiab cov khoom sib txuas zoo, thiab xaus- ntsej muag tshuaj xyuas ntawm txhua MPO thiab LC. Rau ib zaug ntev dua -mode spans, chromatic dispersion thiab PMD ntsuas kuj tseem cuam tshuam nyob ntawm hom transceiver.
Cov ntsiab lus
400G silicon photonics tsis yog lub ntsiab lus dhau los - nws yog lub hauv paus cav thawb 800G thiab 1.6T mus rau hauv cov ntaub ntawv tseem ceeb thiab AI pawg xa tawm. Ib qho kev sib txawv ntawm silicon photonic mov saw, suav nrog kev nce qib ntxiv los ntawm cov neeg muag khoom hauv Suav teb, ua kom qhov kev hloov pauv ntawd ntau dua li qhov hloov pauv hloov pauv.
Rau cov neeg siv khoom siv fiber ntau optic cable, qhov kev coj ua ncaj ncees yog ncaj qha: cov fiber ntau tsis tau hloov pauv, tab sis kev kam rau siab rau sloppy cabling muaj. Tighter poob peev nyiaj, ntau qhov sib npaug ntawm optics, thiab qhov nrawm nrawm ntawm kev hloov kho dua tshiab txhua tus thawb lub cabling specification mus rau qis- cov khoom poob, ceev faj MPO polarity npaj, thiab kev qhuab qhia txuas kev sim. Cov neeg ua haujlwm uas tsim kev qhuab qhia rau hauv lawv cov nroj tsuag tam sim no yuav nqus ob tiam tom ntej ntawm optics nrog kev ua haujlwm tsawg dua li cov uas ua kom zoo rau niaj hnub no tus transceiver ib leeg.