Apr 28, 2026

Submarine Cable Capacity hauv 2026: Dab tsi tiag?

Tso lus

Submarine optical cables nqa cov ntaub ntawv sib cuam tshuam feem ntau, thiab kev nce qib hauv AI kev cob qhia, huab sib cuam tshuam thiab kev faib tawm video tau ua rau tsis muaj kev cia siab rau txheej txheej hauv internet. Cov xov xwm kev lag luam nce ntxiv hais txog "ib zaug-wave" cov ntaub ntawv ceev, tab sis cov lej tom qab cov xov xwm no yooj yim nyeem tsis raug. Tsab ntawv xov xwm no piav qhia txog yuav ua li cas submarine cable muaj peev xwm ntsuas tau tiag tiag hauv xyoo 2026, dab tsi coherent optics zoo li 800G, 1.2T thiab 1.6T ib lub wavelength tuaj yeem ua tiav qhov tseeb, thiab yuav ua li cas cable tsim thiab kev tsim khoom txwv txoj kev txhim kho.

Vim li cas Submarine Cables tseem txhais tau lub ntiaj teb Internet Peev Xwm

Txawm hais tias qhov pom ntawm lub ntiaj teb qis orbit satellite kev pab cuam, satellite txuas tseem yog ib feem me me ntawm lub peev xwm intercontinental. Kev lag luam cov peev txheej, suav nrog Tsoom Fwv Teb Chaws Kev Sib Txuas Lus thiab Kev Tshawb Fawb los ntawm TeleGeography, qhia tias cov kab hluav taws xob hauv qab tau nqa tau zoo tshaj 95% ntawm cov ntaub ntawv thoob ntiaj teb, nrog cov ntaub ntawv feem ntau hais txog 95-99%. Raws liTeleGeography's Submarine Cable FAQs, ntau tshaj 1.5 lab mais ntawm submarine cable tau nyob rau hauv kev pabcuam thoob ntiaj teb txij li thaum ntxov 2026, thiab lub tuam txhab tam sim no taug qab ntau dua 600 cov haujlwm ua haujlwm thiab npaj rau nws.2026 Submarine Cable Map.

Kev sib txuas lus satellite ntxiv rau qhov kev tsim kho vaj tse nyob rau thaj tsam thaj chaw deb thiab ua qhov thaub qab rau kev rov ua haujlwm, tab sis feem ntau ntawm cov bandwidth uas tso cai rau hla -kev hu xov tooj ciam teb, huab ua haujlwm thiab AI inference tsheb tseem taug kev los ntawm iav fiber ntau ntawm seabed. Cov neeg nyeem tshiab rau lub ncauj lus yuav pom qhov luv luv hauvpeb lub ntsiab lus ntawm fiber ntau optic cables hauv dej hiav txwvpab tau ua ntej mus ntxiv.

Submarine Cable Capacity yog dab tsi?

Feem ntau "cov ntaub ntawv- tawg muaj peev xwm" cov dab neeg plooj peb qhov kev ntsuas sib txawv. Khaws lawv cais yog qhov tseem ceeb rau txhua qhov kev txiav txim siab los yog kev yuav khoom.

Ib -wavelength muaj peev xwm (ib channel)piav qhia ntau npaum li cas cov ntaub ntawv ib leeg kho qhov muag channel - ib lub teeb ntawm lub teeb - tuaj yeem nqa mus rau cable. Niaj hnub thib tsib - thiab thib rau - tiam neeg sib txuas lus feem ntau muaj 800 Gb / s, 1.2 Tb / s lossis 1.6 Tb / s ib lub wavelength, nrog rau qhov ua tau zoo nyob ntawm qhov kev ncua deb, hom fiber ntau thiab lwm yam kab ke.

Rau -fibre-pair peevyog tag nrho cov kev xa tawm ntawm ib khub ntawm fibers (ib qho rau txhua qhov kev taw qhia), summed hla tag nrho cov wavelengths multiplexed rau cov khub ntawd los ntawm Dense Wavelength Division Multiplexing. Muaj peev xwm tsim tau tiag tiag ntawm txoj kev transoceanic ntev yog feem ntau nyob rau hauv siab kaum ntawm Tb / s ib khub fiber ntau.

Ib -system (ib -cable) muaj peev xwmyog tag nrho ntawm txhua tus khub fiber ntau hauv cable. Submarine systems feem ntau nqa ntawm 8 thiab 24 fiber ntau. Raws li TeleGeography's2026 thauj network xyuassau tseg, submarine cables yog xyaum txwv rau kwv yees li ntawm 24 fiber ntau vim hais tias cov optical amplifiers raws txoj kev yuav tsum tau powered los ntawm ntug dej.

Thaum ib tsab xov xwm tshaj tawm hais txog "Pbps- muaj peev xwm hauv chav kawm," nws yuav luag ib txwm hais txog ib qho -system daim duab thoob plaws txhua tus khub fiber ntau, tsis yog ib qho wavelength uas tuaj yeem nqa tau. Yog xav paub ntxiv txog yuav ua li cas multiplexing scales fiber throughput, saib peb kev sib tham ntawmDWDM hauv siab -kev sib txuas lus muaj peev xwm.
 

Submarine cable capacity levels explained

Qhov twg Per -Wavelength Peev Xwm tiag nyob rau hauv 2025 thiab 2026

Kev xa tawm pej xeem tsis ntev los no thiab kev sim hauv thaj chaw ua rau lub hnab ntawv tseeb meej:

Thaum Lub Peb Hlis 2026, Ciena thiab Meta tshaj tawm ib qho 800 Gb / s ib zaug - cov neeg nqa khoom wavelength kis tau tus mob hla ib qho kev txuas tsis tau 16,608 km ntawm Meta's Bifrost cable system nruab nrab ntawm US West Coast thiab Asia, siv WaveLogic 6 Extreme coherent optics. Qhov kev sim tau tshaj tawm tau xa tag nrho cov khub fiber ntau muaj peev xwm ntawm 18 Tb / s. Cov ntsiab lus technical tau sau tseg hauvCiena tshaj tawm ntawm Bifrost tshwm sim.

Yav dhau los, Colt ua tiav 1.2 Tb / s ib lub wavelength ntawm nws Grace Hopper transatlantic cable siv tib lub cim WL6e, thiab Altibox Carrier thiab Ciena ua qauv qhia 1.6 Tb / s ib lub wavelength ntawm NO-UK txoj hauv kev hauv 2025, txawm hais tias nyob rau ntawm txoj kev luv luv ntau dua.

Ob qhov cuam tshuam tseem ceeb rau leej twg nyeem cov lej no. Ua ntej, cov kab ntawv xov xwm ib zaug - wavelength daim duab ntsuas qhov sib txawv ntawm qhov sib txawv: 1.6 Tb / s yog ua tiav nyob rau hauv cheeb tsam los yog luv luv subsea spans, thaum transpacific txuas feem ntau tseem nyob rau hauv 800 Gb / s ib - wavelength regime. Qhov thib ob, cov lus thov ntawm "24 Tbps ib nthwv dej ib zaug" lossis cov lej sib piv tsis sib xws rau cov kev lees paub rau pej xeem hauv kev ua haujlwm txij li thaum ntxov 2026, thiab yuav tsum tau kho kom ceev faj. Cov lus hais dav dav "24 Tbps" daim duab ntawm cables xws li PEACE yog hais txog ib qho -fibre-pair peev, tsis yog ib lub peev xwm ntawm - wavelength.
 

Coherent optics speed over submarine cable distance

Vim li cas AI thiaj thawb cov neeg ua haujlwm kom txhim kho Subsea Peev Xwm

Hyperscale huab thiab AI workloads tau hloov cov duab ntawm kev thov ntawm submarine networks. Cov qauv kev cob qhia faib cov ntaub ntawv thiab cov gradients ntawm thaj chaw sib cais hauv pawg; AI inference pab cov neeg siv thoob plaws cheeb tsam; thiab cov ntsiab lus kev faib tawm ua ntej - txoj hauj lwm loj zuj zus tshaj tawm xov xwm payloads. Cov txiaj ntsig tag nrho yog txhawb nqa, ntau- xyoo ob - tus lej loj hlob hauv kev thov thoob ntiaj teb bandwidth.

Cov neeg khiav dej num tau teb raws li peb txoj kev: tsim tshiab siab -fiber- suav cables, retrofitting cov nroj tsuag uas twb muaj lawm ntub nrog cov khoom siv tshiab, thiab siv qhov chaw- faib multiplexing mus kom ze uas nce fiber ntau suav rau cable. Cov kws tshuaj ntsuam xyuas kev lag luam saib, summarized hauvTeleGeography's 2026 outlook, qhia txog kwv yees li 40 qhov tshiab submarine cables tau npaj kom nkag mus rau kev pabcuam hauv 2026, sawv cev rau kev siv peev ntawm qhov kev txiav txim ntawm USD 6 billion. Rau cov chaw tsim khoom- sab kev pom ntawm cov kev hloov pauv no, saib peb qhov kev txheeb xyuas ntawmYuav ua li cas AI tab tom hloov kho lub ntiaj teb kev sib txuas lus kho qhov muag.

Puas Muaj Submarine Cables tuaj yeem hloov kho dua tshiab?

Yog, tab sis nrog cov xwm txheej. Cov nroj tsuag ntub dej - cable, repeaters thiab branching units ntawm seabed - yog tsim rau ib tug engineering lub neej ntawm 25 xyoo los yog ntau tshaj. Cov nroj tsuag qhuav - Submarine Line Terminal Equipment nyob rau hauv cov chaw nres tsheb cable - muaj lub voj voog luv luv, feem ntau yog 5 mus rau 7 xyoo. Los ntawm kev hloov cov SLTE nrog cov tshiab coherent transponders, cov neeg ua haujlwm tuaj yeem rho tawm ntau lub peev xwm los ntawm tib cov nroj tsuag ntub dej.

Ntau npaum li cas nyob ntawm ntau yam:

Fiber hom thiab kev mob.Cables ua nrog G.652.D fiber ntau txhawb kev sib txuas hloov kho dua tshiab tab sis muaj ntau dua attenuation thiab tighter Shannon- txwv tsis pub tshaj cov uas ua nrog qis - poob G.654.E los yog ntshiab -silica-core fiber. Tshiab dua transoceanic cables nce sivG.654.E fiber ntau, uas yog optimized rau ntev -haul, siab - fais fab kis tau tus mob.

Repeater thiab amplifier kev ua tau zoo.Cov repeaters uas twb muaj lawm raws txoj kev txwv cov spectrum uas tuaj yeem siv tau. C-band-tsuas yog cov tshuab tsis tuaj yeem nthuav dav rau hauv L-band yam tsis tau hloov lossis ntxiv cov amplifiers, uas nyob rau hauv seabed feem ntau tsis ua tau.

Spectrum plan thiab channel spacing.Siab dua rau ib - wavelength tus nqi feem ntau xav tau qhov sib txawv ntawm cov channel dav dua, uas tuaj yeem txo tus naj npawb ntawm cov channel uas haum rau cov spectrum uas muaj, ib feem ntawm qhov nyiaj tau los.

Kev khiav hauj lwm margin.Cov kab qub qub ua haujlwm ze rau lawv qhov kev txwv Shannon muaj tsawg lub taub hau kom nce kev txiav txim siab yam tsis tau nce qhov yuam kev me ntsis.

Qhov kev ncaj ncees framing yog lub davhlau ya nyob twg- cov khoom siv rov ua dua tshiab tuaj yeem ua kom muaj peev xwm siv tau los ntawm ib qho ntawm ob mus rau ob peb zaug ntawm ib qho khoom siv cable, ntawm ib feem me me ntawm tus nqi ntawm kev teeb tsa tshiab. Txawm li cas los xij, lawv tsis tuaj yeem hloov pauv rau kev tsim kho tshiab, thiab qhov kev ua tiav tau zoo sib txawv ntawm cable los ntawm cable.

Qhov no txhais tau li cas rau Submarine Cable Tsim thiab tsim khoom

Los ntawm cov chaw tsim khoom txoj kev xav, AI- tsav lub peev xwm thawb yog hloov kho cov kev xav tau ntawm cable- tsim theem es tsis yog tsuas yog nyob rau ntawm lub davhlau ya nyob twg- cov khoom siv theem. Ntau qhov kev xaiv tsim teeb meem ntau dua li lawv tau ua rau kaum xyoo dhau los.

Kev xaiv fiber ntau.Ntev unrepeatered los yog transoceanic spans nyiam G.654.E ib qho - hom fiber ntau rau nws qhov loj dua qhov chaw zoo thiab txo qis. Xaiv qhov zoo fiber ntau ntawm lub sijhawm tsim tau zoo teeb tsa lub qab nthab ntawm lub cable lub neej muaj peev xwm.

Fiber suav thiab qhov chaw - faib multiplexing.Niaj hnub nimno submarine systems tau tsiv mus rau 16 mus rau 24 fibers khub, leveraging qhov chaw - faib multiplexing rau scale peev txawm thaum ib tug -fibre-pair Shannon txwv. Qhov no implies ntau compact fiber ntim thiab nruj dua yuav tsum tau ntawm cov qauv cabling.

Mechanical tiv thaiv.Cables nyob rau hauv dej ntiav, nyob rau hauv continental txee thiab nyob rau hauv nuv ntses zones ntsib txhua yam txaus ntshai uas qhov tob - hiav txwv seem tsis. Armouring khaubncaws sab nraud povtseg, dej- thaiv cov tebchaw thiab cov sheath sab nrauv yuav tsum sib phim rau kev xa mus rau qhov tob thiab seabed tej yam kev mob. Pebcoj mus rau fiber optic cable qauv los ntawm cov tub ntxhais mus rau sheathqhia cov txheej txheem no kom ntxaws.

Lub zog xa mus rau repeaters.Vim hais tias submarine optical amplifiers yog powered los ntawm ntug dej, repeater tsim thiab cable lub hwj chim conductor yog nruj nreem txuas mus rau lub siab tshaj plaws tus naj npawb ntawm fiber ntau lub cev muaj peev xwm txhawb nqa.

Kev tsim khoom thiab kev sim.Submarine fiber optic cables yuav tsum tau txais kev lees paub los ntawm lub Hoobkas, suav nrog kev ntsuas siab, tensile, dej- thaiv thiab ntsuas qhov ua tau zoo. Hengtong covunderwater fiber optic cable khoom tsev neegthiab dav duafiber ntau optic cable manufacturingcov txheej txheem qhia txog engineering qhov tob koom nrog.

Sustainability kev txiav txim siab kuj yog ib feem ntawm cov neeg yuav khoom. Kev lag luam kev sib tham ntawm lub ncauj lus no tau sau tseg hauv peb daim ntawmSustainable subsea cables thiab kev sib txuas thoob ntiaj teb.

FAQ

Q: Puas yog "Ib leeg-Wave 24 Tbps" Qhov Kev Qhia Txog Tus Kheej Submarine Cable?

A: Tsis yog raws li ib daim duab ntawm -wavelength daim duab ntawm ib qho kev tshaj tawm uas tau lees paub hauv kev ua haujlwm thaum ntxov 2026. Qhov twg 24 Tbps tshwm hauv cov ntaub ntawv cable, xws li ntawm PEACE Mediterranean ntu, nws feem ntau yog hais txog ib qho -fibre-pair tsim peev xwm. Txheeb xyuas ib- wavelength muaj peev xwm ntawm txoj kev transoceanic ntev yog tam sim no nyob rau hauv 800 Gb / s rau 1.2 Tb / s ntau yam, nrog 1.6 Tb / s ib wavelength qhia ntawm luv luv.

Q: Yuav ua li cas Submarine Cable Capacity Tiag tiag?

A: Los ntawm peb txoj kev sib xyaw ua ke: siab dua -kev txiav txim siab thiab nrawm dua baud tus nqi ib lub wavelength (coherent optics), wavelength- faib multiplexing kom haum ntau cov channel ib khub fiber ntau, thiab qhov chaw- faib multiplexing kom ntxiv fiber ntau khub rau ib lub cable. Kev nce qib tsis ntev los no feem ntau yog los ntawm qib thib ob thiab thib peb, txij li ib qho - wavelength muaj peev xwm nce mus txog Shannon txwv ntawm cov fiber ntau.

Q: Cov qub submarine Cables puas tuaj yeem hloov kho dua tshiab los ntawm kev hloov pauv tsuas yog cov khoom siv Terminal?

A: Feem ntau yog, tab sis qhov nce nyob ntawm qhov qub fiber ntau, repeater bandwidth thiab kev khiav hauj lwm margin. Cables ua nyob rau hauv 10 mus rau 15 xyoo dhau los nrog G.654.E fiber ntau thiab C + L band repeaters zoo li hloov kho kom zoo; laus C-band-tsuas yog cov tshuab tau txais tsawg dua.

Q: Ntev npaum li cas Submarine Cables kav ntev?

A: Tus qauv tsim qauv tsim lub neej yog 25 xyoo, txawm hais tias cov cables feem ntau tau so haujlwm ua ntej thaum lawv dhau los ua kev lag luam uas tsis muaj kev cuam tshuam rau cov tshuab tshiab uas muaj peev xwm ntau dua ib duas.

Q: Vim li cas Ib -Cable Fiber Pair suav thiaj txwv?

A: Vim hais tias amplifiers raws txoj kev yuav tsum tau powered los ntawm ntug dej, thiab qhov voltage thiab tam sim no uas yuav tsum tau xa los ntawm lub cable tus neeg xyuas pib nws yog ib qhov tsim nyog yuav tau txwv tsis pub cov xov tooj ntawm amplifier chains. Feem ntau niaj hnub submarine cables nqa ntawm 8 thiab 24 fiber ntau khub.

Cov ntsiab lus

Submarine cable muaj peev xwm raug kho dua tshiab ntawm txhua txheej - coherent optics, wavelength - faib multiplexing, fiber ntau suav thiab cable tsim - kom nrawm nrog AI, huab thiab cov ntsiab lus - faib kev khiav tsheb. Leej twg nyeem cov xov xwm yuav tsum khaws peb yam hauv siab. Daim duab "ib zaug-wave" feem ntau nyob hauv 800 Gb/s rau 1.6 Tb/s ntau, tsis siab dua. Cov kab hluav taws xob, cov khoom siv rov ua dua tshiab thiab hom fiber ntau tau teeb tsa cov kev txwv nyuaj ntawm lub davhlau ya nyob twg ntau npaum li cas - cov cuab yeej hloov kho tuaj yeem xa tuaj. Thiab los ntawm kev tsim khoom, kev xaiv fiber ntau, kev tiv thaiv kev siv tshuab thiab kev sim nruj tseem txiav txim siab seb lub cable puas tuaj yeem nqa tag kis txoj kev tsheb mus rau kev nyab xeeb rau nws lub neej tsim tag nrho.

Rau cov lus qhia tshwj xeeb, kev xaiv fiber ntau lossis qhov project-cov lus nug tshwj xeeb submarine cable tsim, hu rau peb pab pawg engineering los ntawmHengtong hu rau nplooj ntawv.

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