Amagama angukhiye: ukwanda komthamo wenethiwekhi ye-optical, ukusungulwa okusha kwezobuchwepheshe okuqhubekayo, amaphrojekthi okuhlola okusebenza ngesivinini esikhulu ethulwa kancane kancane
Esikhathini samandla wekhompiyutha, ngokushayela okuqinile kwezinsizakalo eziningi ezintsha nezinhlelo zokusebenza, ubuchwepheshe bokuthuthukiswa kwamandla amaningi-dimensional obufana nezinga lesignali, ububanzi obutholakalayo be-spectral, imodi yokuphindaphinda, kanye nemidiya emisha yokudlulisela iyaqhubeka nokusungula nokuthuthukisa.
Okokuqala, ngokombono wesixhumi esibonakalayo noma ukukhuphuka kwezinga lesignali yesiteshi, isikali seI-10G PONukuthunyelwa kunethiwekhi yokufinyelela kuye kwanwetshwa ngokuqhubekayo, izindinganiso zobuchwepheshe ze-50G PON ngokuvamile zizinzile, futhi ukuncintisana kwezixazululo zobuchwepheshe ze-100G/200G PON kushubile; inethiwekhi yokudlulisela ilawulwa yi-100G / 200G Ukwandiswa kwesivinini, ingxenye ye-400G yedatha yedatha yedatha yangaphakathi noma yangaphandle izinga lokuxhumana kulindeleke ukuba likhule kakhulu, kuyilapho i-800G / 1.2T / 1.6T kanye nezinye izinga eliphezulu lokuthuthukiswa komkhiqizo kanye nocwaningo olujwayelekile lwezobuchwepheshe lukhuthazwa ngokuhlanganyela, futhi abakhiqizi bekhanda lokuxhumana be-optical angaphandle bangaphandle kulindeleke ukuthi bakhulule abakhiqizi bekhanda lokuthuthukiswa kwe-DSP noma i-chip ye-chip ephezulu ye-chip noma izinhlelo zokuthuthukiswa kwe-1.
Okwesibili, ngokombono we-spectrum etholakalayo yokudlulisela, ukunwetshwa kancane kancane kwe-C-band yezohwebo kubhendi ye-C+L sekuyisixazululo sokuhlangana embonini. Kulindeleke ukuthi ukusebenza kokudluliselwa kwelabhorethri kuqhubeke nokuba ngcono kulo nyaka, futhi ngesikhathi esifanayo kuqhubeke nokwenza ucwaningo nge-spectrum ebanzi njengebhendi ye-S+C+L.
Okwesithathu, ngokombono we-multiplexing yesignali, ubuchwepheshe be-multiplexing ye-space division buzosetshenziswa njengesixazululo sesikhathi eside ebhodleleni lomthamo wokudlulisa. Isistimu yekhebula yangaphansi kwamanzi esekelwe ekwandiseni kancane kancane inani lamapheya e-optical fibre izoqhubeka nokusetshenziswa futhi yandiswe. Ngokusekelwe kumodi yokuphindaphinda kanye/noma eminingi Ubuchwepheshe bokuphindaphinda okuyisisekelo buzoqhubeka nokufundwa ngokujulile, kugxile ekwandiseni ibanga lokudlulisela kanye nokwenza ngcono ukusebenza kokudlulisela.
Khona-ke, ngokombono wemidiya entsha yokudlulisela, i-G.654E i-ultra-low-loss optical fiber izoba yinketho yokuqala yenethiwekhi ye-trunk futhi iqinise ukuthunyelwa, futhi izoqhubeka nokutadisha i-space-division multiplexing optical fiber (ikhebula). I-Spectrum, ukubambezeleka okuphansi, umphumela ophansi ongaqondile, ukuhlakazeka okuphansi, nezinye izinzuzo eziningi sekugxilwe kakhulu embonini, kuyilapho ukulahlekelwa kokudlulisela kanye nenqubo yokudweba kuye kwathuthukiswa nakakhulu. Ngaphezu kwalokho, ngokombono wobuchwepheshe nokuqinisekiswa kokuvuthwa komkhiqizo, ukunakwa kokuthuthukiswa kwemboni, njll., opharetha basekhaya kulindeleke ukuthi bethule amanethiwekhi abukhoma wezinhlelo ezinesivinini esikhulu njenge-DP-QPSK 400G ukusebenza kwebanga elide, ukuhlalisana kwe-50G PON kwemodi ekabili kanye namakhono okudlulisela ama-symmetrical ngo-2023 ukuhlolwa kwe-maturity ephakeme imikhiqizo futhi ibeka isisekelo sokusatshalaliswa kwezentengiselwano.
Okokugcina, ngokuthuthukiswa kwezinga lokusetshenziswa kwedatha kanye nomthamo wokushintsha, ukuhlanganiswa okuphezulu kanye nokusetshenziswa okuphansi kwamandla kuye kwaba yizidingo zokuthuthukiswa zemodyuli ye-optical yeyunithi eyisisekelo yokuxhumana optical, ikakhulukazi ezimweni ezijwayelekile zohlelo lokusebenza lwesikhungo sedatha, lapho umthamo wokushintsha ufinyelela ku-51.2Tbit/s (CPO). Kulindeleke ukuthi izinkampani ezifana ne-Intel, i-Broadcom, ne-Ranovus zizoqhubeka nokuvuselela phakathi nalo nyaka Ngaphezu kwemikhiqizo ekhona ye-CPO nezisombululo, futhi zingase ziqalise amamodeli emikhiqizo emisha, ezinye izinkampani zobuchwepheshe be-silicon photonics zizophinde zilandelele ngenkuthalo ucwaningo nentuthuko noma ziqaphelisise.
Ukwengeza, mayelana nobuchwepheshe bokuhlanganiswa kwezithombe ezisekelwe kuzinhlelo zokusebenza ze-optical module, i-silicon photonics izobambisana nobuchwepheshe bokuhlanganiswa kwe-semiconductor ye-III-V, njengoba ubuchwepheshe be-silicon photonics bunokuhlanganiswa okuphezulu, isivinini esikhulu, nokuhambisana okuhle nezinqubo ezikhona ze-CMOS I-Silicon photonics isetshenziswe kancane kancane ku-pluggable pluggable ye-medium nebanga elifushane iba amamojula okuhlola we-CPO kuqala. Imboni inethemba ngentuthuko yesikhathi esizayo yobuchwepheshe be-silicon photonics, futhi ukuhlolwa kokusetshenziswa kwayo kukhompyutha yamehlo neminye imikhakha nakho kuzovumelaniswa kwenziwe.
Isikhathi sokuthumela: Apr-25-2023