Siyazi ukuthi kusukela ngo-1990s, i-WDM wavelength Divising Technology isetshenziselwe ubuchwepheshe obude be-fiber optic izixhumanisi ezihamba ngamakhulu noma izinkulungwane zamakhilomitha. Kumazwe amaningi nezifunda, ingqalasizinda ye-fiber optic yimpahla yazo ebiza kakhulu, ngenkathi izindleko zezakhi ze-transceiver ziphansi.
Kodwa-ke, ngokukhula okuqhumayo kwamanani okuhambisa idatha wenethiwekhi afana ne-5G, i-WDM Technology esebaluleke kakhulu ezixhumanisi zebanga elifushane, kanye nevolumu yokuhanjiswa kwezixhumanisi ezimfushane inkulu kakhulu, yenza izindleko nosayizi wezakhi ze-transceiver zibucayi.
Njengamanje, la manethiwekhi asancike ezinkulungwaneni zemicu emihle ye-Optical Fibers yokudluliselwa okuhambisanayo ngeziteshi zokuhlukaniswa kwesikhala, kanti isilinganiso sedatha yesiteshi ngasinye siphansi, okungenani ama-gbit / 800g) ambalwa kuphela. I-T-Level ingahle ibe nezicelo ezikhawulelwe.
Kepha esikhathini esizayo esibonakalayo, umqondo wokuqonda okujwayelekile kwendawo uzofika maduze umkhawulo waso wokulinganisa, futhi kufanele uxhaswe ngokulandelana kokusakazeka kwemidwebo yedatha ku-fiber ngayinye ukuze alondoloze ukuthuthuka okuthe xaxa ngamanani entengo yedatha. Lokhu kungavula indawo entsha yesicelo se-wavelength Division Technology, lapho ukuqina okuphezulu kwenombolo yesiteshi kanye nezinga ledatha kubalulekile.
Kulokhu, imvamisa i-generator (FCG), njenge-compact futhi ilungiswe umthombo omncane we-wavelength okhanyayo, inganikeza inani elikhulu labathwali be-optimed achazwa kahle, ngaleyo ndlela bedlala indima ebalulekile. Ngaphezu kwalokho, inzuzo ebaluleke kakhulu ye-Optical Frequency Calk ukuthi imigqa ye-comb ilingana ngokuyisimangaliso esikhathini sokuvama, esingavuselela izidingo zamabhendi wokuqapha phakathi kwamasu wendabuko ngokusebenzisa ama-DFB laser Arrays.
Kumele kwaziwe ukuthi lezi zinzuzo azisebenzi nje kuphela ku-transmitter ye-wavelength diagraphyxhing, kepha futhi nakuthola i-Oscillator (Local) i-Oscillator (LO) ingathathelwa indawo yi-generator eyodwa ye-comb. Ukusetshenziswa kwamaGenerator we-LO COREDERS kungahle kube lula ukucubungula ukucubungula kwesiginali yedijithali eziteshini ze-wavelength Division, ngaleyo ndlela kunciphisa ubunzima bokuthola kanye nokwenza ngcono ukubekezelela komsindo wesigaba.
Ngaphezu kwalokho, kusetshenziswa amasiginali we-LO CORCAL anomsebenzi okhiyiwe wesigaba sokuthola ukwamukelwa okuhambisanayo okuhambisanayo angakha kabusha i-wave-domain wavexform yesiginali yesikhathi sonke, ngaleyo ndlela inxephezela umonakalo odalwe ukungahambi kahle kwefayibha yokuhambisa. Ngaphezu kwezinzuzo ze-computer ezisuselwa ekuthandeni kwesiginali kwesiginali, usayizi omncane ngokusebenza kahle kwezomnotho kanye nokukhiqizwa okuphezulu kwezomnotho nakho kuyizinto ezibalulekile ze-wavelength Diapning Multenivers.
Ngakho-ke, phakathi kokuhlukaniswa okuhlukahlukene kwesiginali general general generator, amadivaysi ezigaba ze-chip aphawuleka kakhulu. Lapho kuhlanganiswe nemibuthano ehlanganisiwe ye-Photonic ehlanganisiwe yokuguqulwa kwesiginali yedatha, okuphilayo, umzila, kanye nokwamukela, amadivaysi anjalo angaba ukhiye kuma-compact and ad avelthkion displion spencrivers angekhiqizwa ngamanani amakhulu aphansi ngezindleko eziphansi.
Ekuphumeni kokugcina kokuthumela, isiteshi ngasinye sibunjwe nge-Multiplexer (Mux), kanye nesiginali yeWavelength Division Multenxing idluliswa nge-fiber eyodwa yemodi eyodwa. Ekupheleni kokuthola, i-wavelength DiapleXing Receiver Receiver (WDM RX) isebenzisa i-Oscillator yendawo ye-Oscillator yendawo yesibili yokutholwa kwe-wavelength. Isiteshi sesiginali ye-wavelength divising multexing sihlukaniswe yi-demilglenter bese sithunyelwa ku-arrever epholile (COH. RX). Phakathi kwazo, imvamisa eyengeziwe ye-Oscillator yendawo ye-Oscillator LO isetshenziswa njengesithenjwa sesigaba somukeli ngamunye ohambisanayo. Ukusebenza kwalesi sixhumanisi sokuhlukaniswa kwe-wavelength
Vele, ubuchwepheshe be-Optical Frequency Work busesesigabeni sokuthuthuka, futhi izimo zayo zohlelo lokusebenza kanye nosayizi wemakethe zincane. Uma kunganqoba amabhodlela wezobuchwepheshe, ukunciphisa izindleko, futhi kuthuthukise ukuthembeka, kungafinyelela kuzinhlelo zeveli ezikalini ekudluliseleni okubonakalayo.
Isikhathi Seposi: Dece-19-2024