Njengoba sazi, kusukela ngonyaka we-1990s, i-WDM WDM Technology isetshenziselwe izixhumanisi ezinde ze-fiber-optic izixhumanisi zamakhulu noma izinkulungwane zamakhilomitha. Ezifundeni eziningi zezwe, ingqalasizinda ye-fiber iyimpahla yayo ebiza kakhulu, kuyilapho izindleko zezakhi ze-transceiver ziphansi.
Kodwa-ke, ngokuqhuma kwamanani wedatha kumanethiwekhi afana ne-5G, ubuchwepheshe be-WDM buya ngokuya bubaluleke kakhulu ekuxhumaneni okufushane kanye, ngakho-ke bazwela kakhulu kwizindleko nobukhulu bezezimali eziphakeme kakhulu.
Njengamanje, lawa manethiwekhi asancike ezinkulungwaneni zemicu emihle yemodi eyodwa edluliselwe ekufanisweni kweziteshi ze-Space Division Multentinexing MultentingXing Multexing, amanani entengo aphansi kakhulu, anenombolo encane yezicelo ze-T-Class.
Kodwa-ke, esikhathini esizayo esibonakalayo, umqondo wokufana kwendawo okuhlangenwe nakho uzofika maduze nemikhawulo yokuqubuka kwawo, futhi kuzofanela kuhambisane nokuqhathaniswa okubonakalayo kokusakazwa kwemidwebo yedatha ku-fiber ngayinye ukuze kusekele ukwenyuka kwedatha. Lokhu kungavula isikhala esisha sohlelo lokusebenza se-WDM Technology, lapho ukuqina okuphezulu ngokweziteshi zeziteshi kanye nenani ledatha libalulekile.
Kulesi simo,Imvamisa ye-Optical Frequency Worder Generator (FCG)Idlala indima ebalulekile njenge-compact, ehleliwe, emthonjeni okhanyayo okhanyayo ongahlinzeka ngenani elikhulu labathwali be-optiment. Ngaphezu kwalokho, inzuzo ebaluleke kakhulu yama-Optical Frequency Child ukuthi imigqa ye-comb inobuqili ngokulingana ngokujwayelekile, ngaleyo ndlela iphumule isidingo samabhendi okuqapha kanye nokugwema ukulawulwa okujwayelekile okuzodingeka kuhlelo olulodwa lwama-lasers e-DFB.
Kubalulekile ukuqaphela ukuthi lezi zinzuzo azisebenzi kuphela kuma-transmitters we-WDM kuphela kodwa nakwabamukelayo, lapho ama-oscillator wendawo ye-Oscillator (LO) angathathelwa indawo yi-generator eyodwa ye-comb. Ukusetshenziswa kwama-comparetors we-LO ahlanganisa kusiza ukucubungula ukucubungula kwesiginali yedijithali kweziteshi ze-WDM, ngaleyo ndlela kunciphisa ukubekezelela ukwamukela kanye nokwanda komsindo wesigaba.
Ngaphezu kwalokho, ukusetshenziswa kwezimpawu ze-LO COMBALS ngokukhiya kwesigaba sokuthola indawo ehambisanayo ehambisanayo noma kwenza ukuthi ukwazi kabusha amandla we-wave-domain yesizinda sesikhathi sonke se-WDM, ngaleyondlela kunxephezela ukonakala okubangelwa ukungahambi kahle kwe-WDM kwi-fiber engahambi kahle. Ngokungeziwe kulezi zinzuzo ezibonakalayo zokuhanjiswa kwesiginali okuhlaselwe, usayizi omncane nokukhiqizwa kwezindleko ezisebenzayo nakho kubalulekile ku-WDM transceivers ye-WDM yesikhathi esizayo.
Ngakho-ke, phakathi kwemiqondo ehlukahlukene ye-Complal General General General, amadivaysi esika-Chip-Scale anentshisekelo ethile. Lapho kuhlanganiswe nemibuthano ehlanganisiwe ye-Photonic ehlanganisiwe yokushintshana kwesiginali yedatha, okuphilayo, umzila nokwamukela, amadivaysi anjalo angabamba ukhiye kuma-compact, ama-wdm asebenza kahle angabizwa ngamanani amakhulu nge-tibit / s nge-tex ye-TBIT
Lesi sibalo esilandelayo sibonisa i-schematic ye-WDM transmitter esebenzisa imvamisa ye-Optical Ngokusebenzisa, isiginali ifakwa ngaphansi kwe-Qam Quadrature Amplitude Amplitude yokuguqulwa okuhle (se).
Emcimbini we-transmitter, iziteshi zibunjwe kabusha ku-Multiplexer (Mux) kanye nezimpawu ze-WDM zidluliselwa ngaphezulu kwe-fiber eyodwa yemodi eyodwa. Ekupheleni kokuthola, i-wavelength DiapleXing Multenxing Receiver (WDM RX), isebenzisa i-Oscillator yendawo ye-Oscillator ye-OSCG ye-2nd FCG yokutholwa okubumbene ama-MultiWavevenweth. Iziteshi zezimpawu ze-WDM zokufaka zihlukaniswe yi-demilgleblexer futhi zinikezwe i-arrever ehambisanayo (COH. Rx). lapho imvamisa ye-dencillator ye-oscillator yendawo isetshenziswa njengesithenjwa sesigaba somukeli ngamunye ohambisanayo. Ukusebenza kwezixhumanisi ezinjalo ze-WDM ngokusobala kuncike ezingeni elikhulu kwi-combling yesiginali yesiginali, ikakhulukazi ububanzi be-Optical Line Ububanzi namandla okukhanya ngakunye.
Vele, ubuchwepheshe be-Optical Ffect Work Technology busesigabeni sokuthuthuka, futhi izimo zalo zohlelo lokusebenza kanye nosayizi wemakethe zincane. Uma kunganqoba amabhodlela ezobuchwepheshe, ukunciphisa izindleko futhi uthuthukise ukuthembeka, khona-ke kuzokwazi ukufezekisa izinhlelo zokusebenza ezisezingeni eliphakeme ekudluliseleni okubonakalayo.
Isikhathi sePosi: Nov-21-2024