Ntawm cov ntaub ntawv superhighway ntawm kev sib txuas lus fiber ntau optic, CWDM thev naus laus zis tau tsim ntau txoj kab sib txuas hauv tus nqi ntau dua -kev ua tau zoo thiab ua tau zoo, ua tau raws li qhov puas tau - loj hlob bandwidth xav tau kev sib txuas lus niaj hnub.
Nyob rau niaj hnub no cov ntaub ntawv tawg, qhov kev thov rau bandwidth nyob rau hauv kev sib txuas lus tes hauj lwm yog loj hlob exponentially. Multi-wavelength Coarse Wavelength Division Multiplexing (CWDM) optical transmission technology, ib txoj hauv kev tseem ceeb rau kev ua kom muaj peev xwm fiber ntau, tau txais txiaj ntsig zoo vim nws qhov sib npaug zoo ntawm tus nqi thiab kev ua haujlwm.
SAT-IF+TERR MULTI CWDM OPTICAL TRANSMITTER yog ib qho piv txwv tseem ceeb ntawm cov thev naus laus zis no. Los ntawm ib txhij xa tawm ntau qhov teeb meem kho qhov muag ntawm qhov sib txawv wavelengths dhau ib qho fiber ntau, nws ua kom muaj peev xwm sib kis tau ntawm fiber ntau, ua rau nws yog ib qho tseem ceeb ntawm kev sib txuas lus niaj hnub.
01 CWDM Technical Principple: The "Multi-Lane" Technology rau Fiber Optics
CWDM yog ib lub tshuab uas multiplexes fiber ntau bandwidth los ntawm ib txhij xa ntau yam optical signals ntawm txawv wavelengths tshaj ib fiber ntau. Nws txoj hauv kev ua haujlwm yog qhov sib piv rau kev tsim ntau txoj kab sib luag ntawm txoj kev fiber ntau optic, nrog txhua txoj kab nqa cov teeb liab ntawm qhov sib txawv wavelength yam tsis muaj kev cuam tshuam rau ib leeg.
Ib qho ua tiav CWDM system muaj peb ntu: lub transmitter, kis tau tus mob channel, thiab receiver. Thaum kawg ntawm lub transmitter, ib tug multiplexer sib txuas ntau cov teeb liab kho qhov muag ntawm cov wavelengths sib txawv rau hauv ib qho fiber ntau rau kev sib kis. Thaum lub sij hawm kis tau tus mob, cov sib txawv wavelength signals propagate nws tus kheej nyob rau hauv lub fiber. Thaum kawg ntawm lub receiver, ib tug demultiplexer cais cov kev sib txuas kho qhov muag teeb liab los ntawm wavelength, coj lawv mus rau lawv cov khoom siv tau txais. Piv rau Dense Wavelength Division Multiplexing (DWDM) thev naus laus zis, CWDM muaj qhov dav dav dav dav (feem ntau 20nm), yog li lub npe "Coarse" Wavelength Division Multiplexing.
Cov yam ntxwv no tso cai rau CWDM tso tseg qhov kev xav tau rau siab -precision, kub- lasers tswj, muaj peev xwm siv qis dua - nqi lasers uncooled es tsis txhob, txo hwj chim noj thiab nqi. Qhov no ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov ntawv thov nrog cov kev xav tau ntawm kev sib kis nruab nrab.
02 Txuj Ci Txuj Ci thiab Daim Ntawv Thov Scenarios: Daim Duab Ntawm Kev Ntsuas Tus Nqi thiab Kev Ua Haujlwm
CWDM thev naus laus zis muaj cov yam ntxwv tshwj xeeb uas ua rau nws ua tau zoo hauv cov ntawv thov tshwj xeeb. Nws lub qhov rais ua haujlwm npog qhov qis- poob fiber ntau qhov rais los ntawm 1270nm txog 1610nm, suav nrog O, E, S, C, thiab L bands.
Vim tias qhov sib txawv ntawm cov channel dav thiab cov kev txwv tsis pub dhau los ntawm fiber ntau poob thiab cov yam ntxwv ntawm cov khoom, qhov siab tshaj plaws ntawm cov channel hauv CWDM system feem ntau yog 16, nrog rau qee qhov kev yooj yim txhawb nqa 8 lossis 4 raws.
Hais txog kev sib kis deb, qhov tsis txaus ntseeg ncav cuag ntawm CWDM systems feem ntau yog 20-80 mais. Txhawm rau txuas ntxiv qhov kev ncua deb, optical amplifiers lossis dispersion them nyiaj modules tuaj yeem ntxiv, tab sis qhov no ua rau cov nqi zog thiab qhov nyuaj.
Raws li cov yam ntxwv no, CWDM thev naus laus zis ua lub luag haujlwm tseem ceeb hauv ntau qhov xwm txheej:
Metropolitan Area Networks (MANs) thiab Access Networks:Tsim nyog rau kev sib txuas cov ntaub ntawv chaw thiab cov chaw nres tsheb hauv ib lub nroog, xa cov kev pabcuam sib xyaw xws li cov ntaub ntawv thiab lub suab; txhawb nqa caj qaum txuas peev xwm nthuav dav rau kev lag luam thiab tsev kawm ntawv network, ua tau raws li ntau- kev xav tau kev pabcuam sib sau ua ke.
Data Center Interconnect (DCI):Txuas cov chaw sib txawv ntawm cov ntaub ntawv sib txawv ntawm qhov luv luv (xws li 10-40 km), ua kom cov ntaub ntawv ceev ceev ntawm cov servers thiab cov khoom siv cia; txhawb multiplexing ntawm ntau yam raws tu qauv teeb liab xws li Ethernet (10G/40G/100G) thiab Fiber Channel (FC).
5G Network Infrastructure:5G fronthaul, midhaul, thiab backhaul segments xav tau siab -ceev, low-latency data transmission. CWDM Cheebtsam kom ntseeg tau kev sib txuas ntawm cov chaw nres tsheb hauv paus thiab cov tub ntxhais hauv lub network.
03 Kev Lag Luam Kev Tsim Kho Tshiab thiab Kev Txhim Kho: Kev Tshawb Fawb Frontiers ntawm CWDM Technology
Raws li qhov kev thov rau kev sib txuas lus muaj peev xwm txuas ntxiv mus, CWDM thev naus laus zis tseem tab tom tsim kho tshiab thiab hloov zuj zus. Cov kws tshawb fawb hauv kev kawm thiab kev lag luam tab tom tshawb nrhiav ntau txoj hauv kev los txhim kho kev ua tau zoo thiab kev sib koom ua ke ntawm CWDM systems.
Kev sib xyaw ua ke thiab kev ua haujlwm siab duayog qhov tseeb kev loj hlob. Tsis ntev los no, cov kws tshawb fawb tau ua tiav qhov kev sib koom ua ke monolithically plaub-channel CWDM transmitter nti ntawm nyias -film lithium niobate platform, ua tiav cov ntaub ntawv tus nqi ntawm 100 Gb / s ib lub wavelength, ua rau cov ntaub ntawv sib sau ua ke ntawm 400 Gb / s.
Lwm qhov kev tsim kho tshiab yog ntau - wavelength optical transmitter siv asijhawm -domain modulation mus kom ze. Cov tswv yim no ua rau muaj ntau- wavelength teeb liab kis tau tus mob siv ib lub teeb ci thiab modulator, ua kom yooj yim rau kev teeb tsa lub transmitter.
Txoj kev no, los ntawm kev hloov kho lub wavelength ncaj qha-swept lub teeb ci ua ke nrog lub sijhawm-domain modulation, tuaj yeem ua kom yooj yim tsim ntau lub wavelength channel, muab cov kev daws teeb meem yooj yim thiab hloov pauv rau yav tom ntej optical access networks.
Overcoming technical bottlenecksNws tseem yog ib qho tseem ceeb rau kev nce qib CWDM. Raws li ib qho - wavelength modulation tus nqi nce, fiber ntau dispersion dhau los ua ib qho tseem ceeb txwv kev sib kis deb.
Hais txog qhov teeb meem no, ib pab neeg tshawb fawb los ntawm Shanghai Jiao Tong University pioneered silicon -raws li transmitter nrogadaptive dispersion nyiaj them muaj peev xwm. Los ntawm kev sib xyaw ua ke ntawm lub zog tunable splitter kom tswj tau qhov chirp yam ntxwv ntawm cov teeb liab tso zis, nws zoo them nyiaj rau fiber ntau dispersion.
Qhov kev tsim kho tshiab no daws qhov kev sib tw hauv kev lag luam ntawm kev txwv kev sib kis deb rau siab -kev sib kis wavelengths, muab lub zog qis- lub zog, kev daws teeb meem zoo heev rau kev txuas ntxiv rau - tiam cov ntaub ntawv chaw kho qhov muag sib cuam tshuam.
04 Kev Lag Luam Kev Lag Luam thiab Kev Lag Luam Yav Tom Ntej: Kev Loj Hlob Tsav Tsheb rau CWDM Technology
Kev lag luam optical transceiver tab tom muaj kev loj hlob sai. Kev lag luam thoob ntiaj teb loj yog $ 13.08 nphom hauv 2024 thiab tau kwv yees kom ncav cuag $ 41.17 nphom los ntawm 2032, tso npe rau Compound Annual Growth Rate (CAGR) ntawm 15.41% thaum lub sijhawm kwv yees.
Qhov kev loj hlob no feem ntau yog tsav los ntawm kev xav tau ntau ntxiv rau siab - cov network ceev, kev nthuav dav ntawm cov chaw zov me nyuam ceev ceev, thiab kev loj hlob ntawm 5G networks.
Asia- cheeb tsam Pacific xav tias yuav yog thaj av loj tshaj plaws - thaj chaw loj hlob rau lub ntiaj teb optical transceiver kev ua lag luam, txhawb nqa los ntawm kev loj hlob sai, kev nthuav dav 5G, thiab kev nthuav dav ntawm hyperscale cov ntaub ntawv chaw nyob hauv cov teb chaws xws li Tuam Tshoj, Nyiv, Kaus Lim Qab Teb, thiab Is Nrias teb.
Lub cheeb tsam kev tsim khoom muaj zog ecosystem thiab tsom mus rau kev txhim kho digital infrastructure kuj yog tus tsav tsheb loj hlob.
Co-Packaged Optics (CPO)tau tshwm sim raws li kev hloov pauv tshiab, kev sib koom ua ke ntawm lub tshuab kho qhov muag ncaj qha nrog kev hloov ASIC. Qhov no txo cov teeb liab hluav taws xob poob thiab txhim kho kev siv hluav taws xob tag nrho hauv siab - ceev cov ntaub ntawv chaw ib puag ncig.
Txoj hauv kev no txhawb nqa kev sib cog lus thiab siab - qauv tsim, ua rau cov chaw zov me nyuam kom nrawm nrog bandwidth- cov ntawv thov hnyav thiab xav tau kev sib txuas ntxiv.
Raws li cov qauv kev sib txuas lus hloov mus rau qhov nrawm dua, CWDM thev naus laus zis tau hloov kho mus tas li. Tau ntsib qhov kev txwv ntawm fiber ntau dispersion ntawm kev sib kis deb, kev lag luam tab tom tsim cov qauv tshiab thiab cov kev daws teeb meem tshiab xws li kev hloov pauv hloov pauv nyiaj.
Cov kev siv thev naus laus zis no ua rau CWDM los txhawb tus nqi siab dua, xws li 100G CWDM, ntxiv nthuav nws daim ntawv thov.
Txoj kev loj hlob ntawm CWDM thev naus laus zis hauv kev lag luam thoob ntiaj teb optical transceiver yog qhov tseeb. Kev ua lag luam kev kwv yees qhia tias kev loj hlob tsis tu ncua los ntawm USD 13.08 billion hauv 2024 txog $ 41.17 billion hauv 2032, nrog CAGR ruaj khov ntawm 15.41%. Qhov kev loj hlob no tsis tsuas yog qhia txog kev lag luam ceev ceev rau bandwidth tab sis tseem qhia txog kev sib tw txuas ntxiv ntawm CWDM hauv tus nqi- cov ntawv thov nkag siab.
Saib tom ntej, nrog kev txhim kho ntawm cov thev naus laus zis tshiab xws li Co-Packaged Optics thiab silicon photonics, CWDM tau npaj los nrhiav cov footholds tshiab nyob rau hauv siab dua - ceev, qis dua - lub zog sib xyaw daws teeb meem, txuas ntxiv ua lub luag haujlwm tseem ceeb hauv kev sib txuas lus kho qhov muag.
