N'oge na-adịbeghị anya, Nokia Bell Labs kwuputara na ndị nyocha ya debere ndekọ ụwa maka ọnụ ọgụgụ kasị elu nke otu onye na-ebu ihe na eriri anya otu ụdị nke 80 kilomita, nke kachasị 1.52 Tbit / s, nke ya na-ebufe 1.5 nde YouTube. vidiyo n'otu oge.Ọ okpukpu anọ ka teknụzụ 400G dị ugbu a.Ihe ndekọ ụwa a na ihe ọhụrụ netwọkụ anya ndị ọzọ ga-eme ka ikike Nokia nwee ike ịmepụta netwọk 5G iji gboo data, ikike, na mkpa latency nke Ịntanetị ihe mmepụta ihe na ngwa ndị ahịa.
Marcus Weldon, onye isi teknụzụ nke Nokia na Onye isi oche nke Nokia Bell Labs, kwuru, sị: “Kemgbe e mepụtara eriri anya dị ala na ngwa ngwa anya yiri ya afọ 50 gara aga.Site na mbụ 45Mbit / s usoro na nke taa 1Tbit / s usoro, Ọ amụbawo ihe karịrị 20,000 ugboro na 40 afọ na kere ndabere nke ihe anyị maara dị ka Internet na dijitalụ ọha mmadụ.Ọrụ Nokia Bell Labs bụ mgbe niile ịgbagha oke na ịkọwapụta oke enwere ike.Ihe ndekọ ụwa kachasị ọhụrụ na nyocha ngwa anya na-egosi ọzọ Anyị na-emepụta netwọk ngwa ngwa ma dị ike iji tọọ ntọala maka mgbanwe ụlọ ọrụ mmepụta ihe na-esote. "Nokia Bell Labs Optical Network Research Group nke Fred Buchali na-edu kere otu ọnụ ahịa ihe ruru ihe ruru. 1.52Tbit/s.Edebere ndekọ a site na iji ihe ntụgharị 128Gigasample/sekọnd ọhụrụ nwere ike iwepụta akara n'ọnụego akara 128Gbaud, na ọnụego ozi nke otu akara karịrị 6.0 bits/akara ngosi/polarization.Mmezu a mebiri ndekọ 1.3Tbit/s nke otu ahụ mepụtara na Septemba 2019.
Onye nyocha Nokia Bell Labs Di Che na ndị otu ya ewepụtala ndekọ ọnụego data ụwa ọhụrụ maka laser DML.Laser DML dị mkpa maka ngwa dị ọnụ ala, ngwa ngwa dị elu dị ka njikọ data center.Ndị otu DML nwetara ọnụego nnyefe data karịrị 400 Gbit/s karịa njikọ 15-km, na-edekọ ndekọ ụwa. Tụkwasị na nke ahụ, ndị nchọpụta na Nokia Bell
Ụlọ nyocha emeela nnukwu mmezu ndị ọzọ n'ihe gbasara nzikọrịta ozi anya.
Ndị na-eme nchọpụta bụ Roland Ryf na ndị otu SDM mezuru ule ubi nke mbụ site na iji teknụzụ Space division multiplexing (SDM) na eriri 4-core jikọtara ọnụ na-erute kilomita 2,000.Nnwale ahụ na-egosi na eriri eriri njikọ dị na teknụzụ nwere ike ịrụ ọrụ ma nwee ọrụ nnyefe dị elu, ebe ọ na-edobe ọkọlọtọ ụlọ ọrụ 125um cladding dayameta.
Ndị otu nyocha nke Rene-Jean Essiambre, Roland Ryf na Murali Kodialam duziri webatara usoro mgbanwe ọhụrụ nke nwere ike ịnye arụmọrụ nrụzi linear na nke na-abụghị nke kwụ n'ebe dị anya nke okpuru mmiri nke 10,000km.Ọkpụkpọ akwara ozi na-emepụta usoro mgbasa ozi ma nwee ike ịka nke ọma karịa usoro ọdịnala (QPSK) eji na sistemụ eriri ụgbọ mmiri nke oge a.
Onye na-eme nchọpụta Junho Cho na ndị otu ya egosila site na nnwale na n'ihe gbasara obere ọkụ eletrik, site n'iji netwọk neural na-ebuli ihe nzacha nke uru iji nweta uru ikike, ikike nke usoro eriri ụgbọ mmiri nwere ike ịbawanye site na 23%.
Nokia Bell Labs raara onwe ya nye n'ichebe na iwulite ọdịnihu nke sistemụ nkwurịta okwu anya, na-ebuga mmepe nke physics, sayensị akụrụngwa, mgbakọ na mwepụ, ngwanrọ na teknụzụ ngwa anya iji mepụta netwọkụ ọhụrụ na-eme mgbanwe na ọnọdụ mgbanwe, na karịa oke oke taa.
Oge nzipu: Jun-30-2020