Thaum twg xaiv txoj kev hloov tsheb sib kis?
Oct 27, 2025|
Feem ntau cov engineers muaj coherent transce vim lawv tau hais nws yog yav tom ntej. Lub network kws kos duab ntawm ib nrab -}} kev txhim kho mus rau 400g coherent rau cov ntaub ntawv txuas ntxiv 35 kis lus mev. Kev tso cai tso cai {6- Nrhiav tau Optics yuav tau daws qhov deb ntawm $ 52K.
Qhov sib txawv ntawm kev ua lag luam thiab physics tsis tau dav dua. Cov neeg muag khoom sib koom ua ke yog qhov tseem ceeb rau ib qho loj 100g + xa tawm, thaum lub sij hawm tawg tiag tiag zaum 80 km. Hauv qab no uas koj tau them 70% tus nqi them rau digital teeb liab ua koj lub network tsis xav tau.
Ntawm no yog dab tsi tsis tshua tau sib tham: Coherent Technology daws ib qho teeb meem hauv lub cev thiab hom polarization ntau dua li cov khoom noj fiber ntau dua. Yog tias koj lub fiber luv thiab huv si, ntxiv cov chips yog zoo li yuav ib tus qauv 1 tsheb rau cov khoom noj khoom haus. Nws ua haujlwm, paub meej. Tab sis tus nqi - ib - katterometer kev kho kom tsis muaj absurd zoo li tsis muaj absurd zoo li tsis muaj absurd zoo li tsis muaj absurd zoo li tsis muaj absurd zoo li tsis muaj absurd zoo li tsis muaj absurd zoo nkaus li.
Qhov kev txiav txim siab tsis yog hais txog "{- pov thawj" lossis muaj qhov tseeb kev ua haujlwm. Nws yog hais txog txuam koj cov cim fiber ntau cov nroj tsuag rau kev lag luam ntawm kev daws.
Qhov kev ncua deb - cov qhab tw ntawv
Coherent transceivers muaj lawm vim lub teeb tsis taug kev zoo kawg nkaus los ntawm fiber ntau. Saum toj no qee qhov kev ncua, lub cim kho qhov muag tsis zoo tshaj qhov uas yooj yim ua kom yooj yim tuaj yeem kho tau. Kev siv kev siv tes ua ke ib txwm muaj kev sib tsoo ntawm thaj chaw ntawm 40-80km nyob ntawm cov ntaub ntawv tus nqi.
Cov ntsiab lus tawg:
Rau 100g kis, Kev qhia ncaj qha kom pom kev ua haujlwm ncaj qha txog 40km siv Pam4 kev hloov kho. Thawb mus rau 80km thiab koj nyob hauv thaj chaw {{5} Nyob ntawm Fiber Zoo, thiab koj ntseeg koj li cas cov ntawv sib piv.
Ntawm 400g, physics tau txais unforgiving sai dua. Cov cim cim tus nqi nce ntxiv, qhov sib nrug ntawm cov cim teeb liab, thiab suab nrov dhau los ua koj tus yeeb ncuab. Nyob ib ncig ntawm 10-20km, koj pib nug yog tias OPICS tsoos ua rau muaj kev txiav txim siab. Los ntawm 40km, coherent ua qhov kev xaiv pragmatic txawm tias nws ua rau cov nyiaj txiag mob.
Dab tsi hloov cov lej:
Cov teeb meem muaj txiaj ntsig fiber ntau teeb meem ntau dua li cov nplooj ntawv feem ntau lees lees lees lees. SMF-28 fiber ntawm '90s nqa txawv dispersion cov yam ntxwv tshaj li niaj hnub fiber ntau. Yog tias koj teeb tsa cov nroj tsuag uas twb muaj lawm, rho 20-30% los ntawm theoretical deb txwv.
Chromatic dispersion concolulates ntawm kwv yees li 17 PS / (Nay · KM) ntawm tus qauv ib qho {} hom fiber ntau. Ntawm 100g tshaj 80km, koj nyob nraum nrog 1,360 ps / nm ntawm tag nrho dispersion. Kev nrhiav cov xwm txheej ncaj qha. Coherent DSP nqa nws hauv nws txoj kev tsaug zog.
Tus nqi - kev ua tiav matrix
Ntawm no yog lub moj khaum uas qhov tseeb:
Kev txiav txim siab Matrix: Coherent vs. ib txwm
| Txuas nrug deb | 100G | 400G | 800G |
|---|---|---|---|
| 0-10km | Tsoos (PAM4): $ 800-1,200 rau ib qho chaw nres nkoj | Tsoos (PAM4): $ 2,500-4,000 | Coherent nkaus xwb: $ 8,000-12,000 |
| 10-40km | Tsoos Ua Haujlwm: $ 1,200-2,000 | Grey Cheeb Tsam: Ntsuas Fiber | Coherent: $ 8,500-13,000 |
| 40-80km | Coherent pib ua kev txiav txim: $ 3,500-5,500 | Coherent pom zoo: $ 6,000-9,000 | Coherent: $ 9,000-14,000 |
| 80KM + | Coherent xav tau: $ 4,000-6,000 | Coherent xav tau: $ 6,500-10,000 | Coherent yuav tsum: $ 9,500-15,000 |
Cov naj npawb qhia ib zaj dab neeg feem ntau cov neeg muag khoom tsis xav hais txog. Rau luv -}}} reach reach reach reach reach reach application, tus nqi sib txawv sau 3-4X. Ib qho chaw ua haujlwm ib zaug ua nrog 200 chaw nres nkoj dheev nqa $ 600K viav vias raws qhov kev xaiv no.
Cov nqi zais dhau ntawm kev hloov pauv:
Kev siv fais fab tuag raws li DSP nyuaj. Coherent modules feem ntau kos 8 {{{}} 12W piv rau 3-5W rau optics tsoos. Hla 500 chaw nres nkoj, uas yog ib qho ntxiv 2.5-3.5KW mus txuas ntxiv thauj khoom. Nyob rau hauv lub chaw muaj hwj chim siv hluav taws xob, koj tau them rau cov tshuab hluav taws xob thiab cua txias koj tsis xav tau.
Kev cob qhia thiab cov teeb meem daws teeb meem nyuaj ua ke. Coherent System Qhia Txog Kev Qhia Txog Kev Ua Haujlwm Tshiab - dsp Xauv Cov Teeb Meem, Cov Teeb Meem Offset, Polarization Laging Ua tsis tiav. Koj pab neeg xav tau cov txuj ci sib txawv. Lub zais opex hits xyoo dhau los.
Plaub qhov kev txiav txim siab tiag tiag
Tsis nco qab lub khw muag khoom zoo nkauj lawj. Plaub qhov xwm txheej yeej ua tau Jeherent Optense:
TRIGGER 1: Deb Deb ntau tshaj 80km
Physics tsis sib tham. Thaum twg koj link Spans metropolitan thaj chaw lossis txuas cov chaw teev cov ntaub ntawv hla ib thaj av, Opics tsoos swb. Lub dispersion zuj zus dhau los yooj yim cov nyiaj them pib yooj yim. Koj xav tau Coherent's DSP kom rov qab tau lub teeb liab.
Trigger 2: fiber ntau yog tsis paub lossis tsis zoo
Txais cov nroj tsuag uas twb muaj lawm? Cov kab luas luas xyaug yuav muaj kev puas tsuaj ntau dua, tsis muaj kev cuam tshuam tsis tau, lossis polarization hom dispersion uas sib txawv nrog kub. Coherent transceivers hloov mus rau qhov tsis zoo los ntawm lawv cov kev sib luag ua ke.
Tus neeg saib xyuas tus xov tooj Kuv tau sab laj nrog nrhiav lawv 1990}}} fiber ntawm ob lub chaw tau ua kom 30% ntau dua dispersion li cov specifications. Tsoos 100G OpSs ua tsis tau tejyam. Coherent ua haujlwm yam tsis muaj kev hloov siab.
Txhais 3: Kev loj hlob muaj peev xwm yav tom ntej ntawm cov fiber ntau
Yog tias koj tso 100g hnub no tab sis paub tias koj yuav xav tau 400g hauv 24 lub hlis nyob rau tib lub cev sib txuas, coherent platforms muaj smoother migration txoj kev. Lub wavanceth kev teeb tsa thiab DSP lub peev xwm teev cov nplai zoo dua li hloov tag nrho cov txheej txheem kho qhov muag.
Txhais 4: ntom nthwv cua - division multiplexing (DWDM) kev xa tawm
Khiav 40+ wavelengths hauv metro lossis ntev- haul networks? Coherent transceivers kov lub ntsiab channel sib nrug thiab kho cov crosstalk zoo dua. Lawv cov kev ua tau zoo thiab lim ua rau lawv tau txais txiaj ntsig zoo saum toj no 10 raws hauv cov tshuab DWDM niaj hnub.
Thaum coherent yog tej zaum overkill:
Cov ntaub ntawv nruab nrab kev sib txuas ua ke hauv qab 30kM
Tsev kawm ntawv tsis hais cov ntaub ntawv
Txhua daim ntawv thov uas Fiber ntau thiab paub tseeb
Kev sim ua ib ntus lossis sim ua
Pob nyiaj txiag - tsis tau siv cov phiaj xwm nrog kev deb
Cov cuab ntxiab scalaber
"Yav tom ntej {- ua pov thawj" muag coherent transceivers txawm tias kev xav tau tam sim no tsis xav tau lawv. Lub cav mus: Yuav coherent tam sim no, zam forklift hloov kho dua tshiab tom qab.
Qhov kev xav no poob qab nyob rau hauv kev ntsuas tshuaj ntsuam. Optics Technology Tsiv nrawm dua li lub voj voog rov muag hluav taws xob. Lub voj voog 400g sib nraus koj yuav hnub no rau $ 7,000 yuav raug nqi $ 3,500 hauv peb xyoos thaum koj xav tau lub peev xwm. Koj tau them $ 3,500 nyob rau hauv txoj kev them nqi rau kev sib haum xeeb ntawm lub siab.
Zoo dua:Xa rau cov kev xav tau tam sim no ntxiv rau 12 -} 18 lub hlis ntawm kev pom. Thaum xav tau raug cai tuaj txog, kev siv thev naus laus zis yuav pheej yig dua thiab muaj peev xwm ntau. CFO yuav ua tsaug.
Zam:Cov fiber ntxiv nrog qhov nyuaj - ntawm- txoj kev los yog undersea cable. Cov xwm txheej no ua pov thawj dua -}}}}} engine engineອກE vim tias lub cev infrastructure hloov pauv tus nqi. Kho qhov muag Transcecuser hloov pauv nyiaj ntau txhiab.
Ua qhov kev txiav txim siab: lub hom phiaj qhia
Khiav los ntawm kab sib no:
Kauj ruam 1: Ntsuas koj qhov kev sib txuas tiag tiag
Tsis ncaj - kab deb ntawm daim duab qhia chaw. Qhov tseeb fiber ntau txoj kev nrog txhua lub tsev, kev cog lus taug kev, thiab kev sib tsoo loops. Fiber ntau tsis tshua siv txoj kev ncaj qha. Ntxiv 15-20% rau thaj chaw deb rau kev ua kev muaj tiag.
Kauj ruam 2: Hais txog koj cov peev xwm muaj peev xwm hnub no thiab 18 lub hlis tawm
Yog tias xav tau tam sim no yog 100g thiab cov duab tso pawv thiab meej tshaj plaws hauv ob xyoos, Optics Optics ua haujlwm ib txwm muaj. Yog tias koj tab tom npaj 400 tus xa tawm hauv 12 lub hlis, Coherent ua rau kev nkag siab tam sim no kom tsis txhob hloov thaum ntxov.
Kauj ruam 3: Ntsuas Faffe Fiber Yam
Cov fiber ntau lossis muaj? Paub cov ntaub ntawv tshwj xeeb lossis tsis meej cog? Cov qhab txig ntsuas fiber ntau qhov teeb meem ntawm no. OTD ntsuas cov ntsiab lus poob thiab xav tias cov ntsiab lus xav qhia koj yog tias Opics tsoos muaj txaus nyiaj txaus.
Kauj ruam 4: Xam tag nrho cov nqi ntawm cov tswv cuab dhau 5 xyoos
Xws li:
Thawj zaug hloov tsheb
Kev Siv Fais Fab (KWh × tus nqi × 43,800 teev)
Cua txias overhead (1.2-1.4x lub zog tus nqi)
Tseg Cov Kev Xav Tau
Kev cob qhia thiab cov teeb meem daws teeb meem nyuaj
Kauj ruam 5: Tshawb xyuas cov neeg muag khoom sib cuam tshuam
Coherent optics qhia zoo mult - vendor sib cuam tshuam dua li koj xav tau, tab sis nws tsis zoo tag nrho. Yog tias koj tau sib xyaw cov khoom siv khoom siv, siv tau sib xyaw. Optic Optics fim tsawg dua sib tw sib tw.
Kauj Ruam 6: Xav Txog Kev Ua Haujlwm
Coherent System muab ntau telemetry - ua ntej} fec ber, zaus offset, zaus kev kwv yees. Yog tias koj pab neeg xav tau pom kev sib sib zog nqus, uas yog muaj txiaj ntsig. Yog tias lawv xav tau cov teeb ntsuab yooj yim, nws tau siv nyiaj siv ua haujlwm.
Hom Kev Qhuab Qhia Debunked
HYTH: Txhua 400 GIST COHERENE
Kev muaj tiag: 400g cov qauv suav nrog kev sib xyaws (400zr, openzr +) thiab ib txwm} dr4, 400g {} fr4). Cov tom kawg ua hauj lwm zoo hauv qab 2km rau cov ntaub ntawv chaw siv.
Hyth: coherent ib txwm txhais tau tias tunable wavelength
Kev muaj tiag: Tsau -}}}}}}}}}}} ionavel txoj kev hloov pauv tau muaj thiab nqi tsawg dua. Tunability yog ib qho tshwj xeeb. Ntau cov ntawv tso cai metro siv cov coherent tawm tsis muaj DWDD.
Myth: Ib txwm Optics yog cov thev naus laus zis thev naus laus zis
Kev muaj tiag: ntawm 10g thiab 25g, Optic Opics tseem tshaj li tus nqi tshaj plaws- kev daws tau zoo rau feem ntau ntawm kev teeb tsa. Lub lag luam muaj kev pom zoo kom pom cov kev pom ntawm cov nqi no rau txhua qhov kev ncua.
Hyth: Coherent Guarantees Kev Ua Tau Zoo
Kev muaj tiag: Coherent muab cov nrug deb thiab yoog tau. Ntawm qhov txuas huv, luv luv, Optics ib txwm xa zoo sib xws Ber thiab latency kev ua tau zoo ntawm tus nqi qis dua.
Tus Muag Khoom Muag Lus Koj yuav tsum nug
Thaum soj ntsuam Coherent vs. kev hloov pauv ib txwm, feem ntau cov neeg muag khoom sib tham kom paub tseeb txog nta. Cov lus nug zoo dua:
"Qhia kuv cov nyiaj txiag kev sib tw rau kuv cov nroj tsuag fiber ntau."
Ua rau lawv daim ntawv:
Tag Nrho Cov Pleev Fiber (DB)
Dispersion (PS / NM)
Yuav tsum muaj osnr ntawm tus txais
Npoo saum toj kawg nkaus
Yog tias Opics tsoos qhia 3db + npoo ntawm cov kev xam ntawd, tej zaum koj tsis xav tau coherent tsis hais txog kev nthuav qhia kev tshaj tawm.
Tus chij liab:Tus neeg muag khoom tsis tuaj yeem lossis yuav tsis muab kev ntsuas nyiaj txiag. Lawv tau muag raws li kev ntshai es tsis yog engineering.
Cov Lus Nquag Nug
Kuv puas xav tau coherent transce rau 100g ethernet?
Tsis txiav tsis tau . 100 g}! Coherent yuav tsim nyog dhau 40km lossis ntawm fiber ntau nrog kev tawg siab. Yog tias koj qhov txuas nyob hauv qab 20km nrog niaj hnub fiber ntau, optics ib txwm yuav pheej yig dua.
Kuv puas tuaj yeem sib xyaw ua ke thiab kev hloov ib txwm nyob hauv tib lub network?
Yog, tab sis ntawm nyias txuas. Ib coherent transceer xav tau ib coherent tau txais. Koj tsis tuaj yeem sib txuas ncaj qha rau kev sib txuas rau cov optics tsoos. Txawm li cas los xij, koj lub network tuaj yeem siv coherent rau ntev- haul txuas rau {}} Qhov no yog qhov muaj nyob hauv Metro kos duab.
Ntau npaum li cas zog ua coerent transceivers noj kom piv rau ib txwm muaj?
Coherent modules feem ntau haus 8 {- 12W piv rau 3-5 sib piv rau 3-5 Qhov no 2-3x qhov sib txawv ntxiv ntxiv rau hauv qhov chaw ceev ceev. Ib 32-chaw nres nkoj 400g hloov siv coherent tuaj yeem kos ib qho ntxiv tshaj 160-200W piv rau Optics.
Puas yog sib tsoo transceivers feem ntau txhim khu kev qha dua li ib txwm muaj?
Kev ntseeg tau nyob ntawm qhov kev tsim khoom zoo dua li siv thev naus laus zis thev naus laus zis. Coherent Transceivers muaj ntau cov khoom sib xyaw (DSP Asics, ADCS / DACS), uas theoretically muab cov ntsiab lus tsis ua tiav. Txawm li cas los xij, kev sib hloov niaj hnub los ntawm cov khw muag khoom muaj koob npe nrov qhia MTBF cov nuj nqis piv rau Optics Optics. Qhov kev coj ua zoo nyob rau hauv kev cia siab yog tsawg.
Tuaj yeem sib hloov pauv ua haujlwm ntawm qis dua nrawm dua li lawv txoj kev ntaus nqi?
Feem ntau cov platforms feem ntau pab txhawb ntau cov ntaub ntawv tus nqi. Ib qho kev sib koom ua 400G sib txuas nrog hom yuav pab 100g, 200g, thiab 400g kev ua haujlwm. Tshawb xyuas cov neeg muag khoom Specifications- Qhov no tau muaj txiaj ntsig tau thaum lub sijhawm tsiv chaw nyob hauv tebchaws Mident.
Yuav ua li cas txog grey optics vs. bired coherent transceivers?
Kev ua lag luam grey rau kev sib tw optics tsis tshua paub tab yog kev hloov pauv ib txwm muaj. Coherent yuav tsum tau ntau dua DSP calibration thiab kuaj, ua th thib peb-}}}}}} kev cuam tshuam kev pheej hmoo. Cov neeg ua haujlwm loj feem ntau lo nrog OEM Coherent thaum xav txog peb -}}} pa optics. Cov nqi txuag tau muaj tab sis nqa kev txhawb nqa ntau dua thiab kev ntseeg tau kev tsis txaus ntseeg.
Kub Kub Yuav ua li cas thiaj li sib txuas thiab hloov chaw tso quav?
Ob txoj kev sib tw ntawm lub ntsej muag cov kev sib tw thermal, tab sis coherent dsp chips tsim ntau dua kub thiab qhia ntau yam kev kawm sib txawv nrog kub. Kev ntsuas kub txuas ntau npaum li cas cov kev sib hloov pauv nqi 15-25% ntxiv. Yog tias koj xa mus rau hauv qhov chaw sab nraud
Hauv qab kab
Coherent transceivers los daws cov teeb meem tiag tiag physics. Thaum koj xav tau lawv, tsis muaj dab tsi ntxiv ua haujlwm. Thaum koj tsis xav tau lawv, lawv kim tshaj overkill.
Kev txiav txim siab tsis yooj yim yog qhov yooj yim dua li cov neeg muag khoom lag luam tawm tswv yim: Ntsuas koj qhov kev ncua deb, suav koj cov nqi, xam nrog lub zog thiab cov haujlwm, tom qab ntawd xaiv raws li.
Cov neeg ua haujlwm hauv network feem ntau yuav siv ob qho thev naus laus zis. Coherent rau Metro agration thiab cheeb tsam txuas saum toj 40km. Cov ntaub ntawv nruab nrab hauv nruab nrab kev sib tshuam thiab kev xa mus hauv tsev kawm ntawv hauv qab 10KM. Lub qab zib qab zib rau kev ua kom dawb huv tus nqi kho mob ntawm 10-40km qhov twg fiber ntau txiav txim siab cov lus teb yog.
Peb tes haujlwm coj:
Kev tshuaj xyuas koj cov nroj tsuag fiber tam sim no fiber ntau {}} Tau txais kev ntsuas otd ua rau txhua qhov txuas dhau 20km
Xam cov hluav taws xob cuam tshuam rau koj txoj kev hloov chaw thiab cov nqi hluav taws xob hauv nroog
Thov kev tshuaj xyuas nyiaj txiag nyiaj txiag los ntawm cov neeg muag khoom ua ntej ua kom muaj kev daws teeb meem
Txoj kev hloov transceiver tau txuag tau nyiaj yam tsis muaj kev ua tau zoo. Qhov kev xaiv tsis yog hlawv peev nyiaj siv rau cov thev naus laus zis koj lub network tsis xav tau.
Pom zoo cov kauj ruam tom ntej:
Cov cim fiber ntau cov kab ke rau kev sib txuas hauv 20-80km ntau yam
TCO ua qauv ua qauv suav nrog lub zog thiab txias rau cov khoom xa tawm
Cov neeg muag khoom sib tham sib tham yog tias cov khoom siv sib xyaw hauv cov nruab nrab
Cov neeg ua hauj lwm cob qhia rau cov kev txhais cov lus txhais yog tias xa cov platform no