Masu bincike na Toshiba sun kirkiro cibiyar sadarwar jimla da suke ikirarin bashi yiwuwa a yi kutse

Toshiba (ɗayan manyan nauyi a duniyar fasaha) sanar a wannan makon cewa ya sami nasarar watsa bayanan jimla akan fiber optics Tsawon kilomita 600

Masu bincike na kamfanin saita sabon rikodin nesa da sanarda sabuwar makoma don manyan cibiyoyin sadarwar zamani Zasu iya aika bayanai amintattu tsakanin birane da ma ƙasashe. Waɗannan masana kimiyya sun nuna cewa za su iya watsa ƙididdigar ƙididdigar fiye da ɗaruruwan kilomita na zaren gani ba tare da shigar da ƙananan ƙididdigar ƙididdigar bayanan da aka sanya a cikin ƙwayoyin ba.

A cewar su, dalilin nasarorin nasa ya samo asali ne saboda wata sabuwar fasahar da ke daidaita canjin muhalli wanda ke faruwa a cikin zaren. Wannan ganowar na iya yin doguwar hanya don ƙirƙirar Intanit mai zuwa na gaba, wanda masana ke fata wata rana zai iya fadada duniya.

Don jimre da yanayin rashin daidaituwa a cikin zaren ido, masu binciken Toshiba Sun kirkiro da wata sabuwar dabara wacce ake kira 'dual band stabilization'. Sabuwar dabarar tana aika siginoni na gani guda biyu a tsawan igo daban-daban, ta hanyar rage jitter a cikin dogon zaren.

Ana amfani da tsayin farko na farko don soke saurin hawa, yayin da na biyun, wanda yake da tsayi iri ɗaya kamar ƙirar ƙirar ido, yana ba da damar daidaita lokaci.

Masu binciken gano cewa yana yiwuwa a ci gaba da amfani da yanayin sigina na jimla a wani yanki na zango, tare da daidaito na 'yan dubun nanometer, koda bayan yadawa ta hanyar ɗaruruwan kilomita na zare. Idan ba a biya waɗannan canje-canje a cikin ainihin lokacin ba, zaren yana faɗaɗawa kuma yana kwangila gwargwadon bambancin yanayin zafin jiki, wanda ke sanya bayanan jimla.

Una na farkon aikace-aikacen wannan fasaha a cikin duniyar gaske zai kasance rarraba maɓallan jimla (QKD) a kan nesa mai nisa. A cewar wata sanarwa da Toshiba ta fitar a makon da ya gabata, tsarin QKD na kasuwanci a halin yanzu an iyakance shi zuwa kusan 100-200 kilomita na fiber optics. Tuni kungiyar binciken kamfanin ta yi amfani da fasaharta wajen gwada QKD a nesa mai nisa.

Protocol ya dogara da cibiyoyin sadarwar jimla don ƙirƙirar makullin amintattu waɗanda ba za a iya shiga ba, ma'ana cewa masu amfani zasu iya musayar bayanan sirri, kamar bayanan banki ko bayanan likita, ta hanyar hanyar sadarwa mara amana, kamar su Intanet.

“A cikin‘ yan shekarun nan, an yi amfani da QKD don kare hanyoyin sadarwa na karkashin kasa. Wannan sabon ci gaban ya faɗaɗa iyakar isar mahaɗar jimla, don haka za a iya haɗa biranen a duk faɗin ƙasashe da nahiyoyi, ba tare da amfani da tsaka-tsakin tsakiya ba. An aiwatar da shi tare da QKD ta hanyar tauraron dan adam, zai ba mu damar gina cibiyar sadarwar kayyadaddun sadarwa ta duniya, ”in ji Andrew Shields, Daraktan Kamfanin Quantum Technologies a Toshiba Turai.

Yayin sadarwa, da QKD yana aiki ta hanyar samun ɗayan ɓangarorin biyu ɗinke bayanan sirri ta hanyar sanya bayanai maɓallin keɓaɓɓe a cikin kwubits da kuma aika waɗannan ƙirar zuwa wani ɓangaren ta hanyar hanyar sadarwa ta jimla. Koyaya, saboda dokar masanan kanikanci, ba zai yiwu ba ga ɗan leƙen asiri ya katse ƙubits ba tare da barin sautin sauraron bayyane ga masu amfani ba, waɗanda za su iya ɗaukar matakan don kare bayanan, a cewar ƙungiyar Toshiba.

Ba kamar rubutun kalmomin gargajiya ba, QKD ba ya dogara da ƙididdigar lissafi na ƙudurin maɓallin tsaro, amma ya dogara ne da dokokin kimiyyar lissafi. Wannan yana nufin cewa koda kwamfutocin da suka fi karfi basu iya satar makullin tushen qubit ba. Don haka yana da sauki a ga dalilin da yasa ra'ayin yake jan hankalin masu wasa daga kowane bangare na rayuwa, daga cibiyoyin kudi zuwa hukumomin leken asiri.

Oshiungiyar Tarayyar Turai ta ba da kuɗaɗen binciken Toshiba. nuna babbar sha'awa ga cigaban sadarwa na jimla. A lokaci guda, sabon shirin na shekaru biyar na kasar Sin ya kuma ba da muhimmanci na musamman kan hanyoyin sadarwar jimla, yayin da a kwanan nan Amurka ta buga wani babban shiri wanda ke tsara matakai mataki-mataki don kafa yanar gizo ta jimla a duniya.

Ana sa ran intanet ɗin yawa don ba da damar amfani waɗanda ba za su iya yiwuwa ba tare da aikace-aikacen gidan yanar gizon yau kuma wannan yana faruwa ne daga ƙarni na kusan hanyoyin sadarwa masu tabbatar da ingancin aiki zuwa ƙirƙirar ƙungiyoyi na na'urorin jimla masu haɗa juna waɗanda, tare, zasu iya wuce ƙarfin sarrafa kwamfuta na na'urori na yau da kullun.

Source: https://www.toshiba.eu