Ukuthuthukiswa kobuchwepheshe bokuxhumana be-quantum e-China kuthuthuke ngezigaba eziningana.Kusukela esigabeni socwaningo kanye nocwaningo ngo-1995, ngonyaka wezi-2000, i-China yayisiqedile ukuhlola ukhiye wokusabalalisa ukhiye we-quantum othatha i-1.1 km.Isikhathi esisuka ku-2001 kuya ku-2005 sasiyisigaba sokuthuthuka okusheshayo lapho ukuhlolwa okuphumelelayo kokusabalalisa okubalulekile kwe-quantum ebangeni elingamakhilomitha angama-50 kanye ne-125 km kwenziwa [1].
Eminyakeni yamuva nje, i-China yenze impumelelo enkulu ekuxhumaneni kwe-quantum.I-China yaba ngeyokuqala ukwethula isathelayithi yokuhlola isayensi ye-quantum, "Micius," futhi yakhe ulayini wokuxhumana ovikelekile we-quantum ohlanganisa izinkulungwane zamakhilomitha phakathi kweBeijing neShanghai.I-China iye yakha ngempumelelo inethiwekhi yokuxhumana ye-quantum edidiyelwe esuka emhlabeni iye emkhathini enebanga elingamakhilomitha angama-4600.Ngaphezu kwalokhu, i-China iphinde yazuza inqubekelaphambili emangalisayo ku-quantum computing.Isibonelo, i-China ithuthukise i-prototype yokuqala emhlabeni yekhompuyutha ye-photonic quantum, yakha ngempumelelo i-quantum computing prototype "Jiuzhang" enamafotoni angu-76, futhi yakhe ngempumelelo i-programmable superconducting quantum computing prototype "Zu Chongzhi" equkethe ama-qubits angu-62.
Ukusetshenziswa kwengxenye ye-passive ezinhlelweni zokuxhumana ze-quantum kubaluleke kakhulu.Isibonelo, amadivayisi afana nezixhumi ze-microwave, izixhumi eziqondisayo, izihlukanisi zamandla , izihlungi ze-microwave, izishintshi zesigaba, nezihlukanisi ze-microwave zingasetshenziswa.Lawa madivayisi asetshenziswa ngokuyinhloko ukucubungula nokulawula amasiginali we-microwave akhiqizwa ama-quantum bits.
Ama-attenuators ama-microwave anganciphisa amandla amasiginali we-microwave ukuze avimbele ukuphazamiseka kwezinye izingxenye zesistimu ngenxa yamandla esignali eyeqile.Ama-couplers aqondisayo angahlukanisa amasignali e-microwave abe izingxenye ezimbili, kube lula ukucutshungulwa kwesignali okuyinkimbinkimbi.Izihlungi ze-Microwave zingakwazi ukuhlunga amasignali amafrikhwensi athile ukuze kuhlaziywe futhi kucutshungulwe isignali.Izishintshi zesigaba zingashintsha isigaba samasiginali we-microwave, asetshenziselwa ukulawula isimo se-quantum bits.Izihlukanisi ze-Microwave zingaqinisekisa ukuthi amasiginali we-microwave asakazeka ohlangothini olulodwa kuphela, avimbele ukugeleza kwesiginali kanye nokuphazamiseka ohlelweni.
Kodwa-ke, lezi ziyingxenye kuphela yezingxenye ze-microwave ezingasetshenziswa ezingase zisetshenziswe ekuxhumaneni kwe-quantum.Izingxenye ezithile ezizosetshenziswa zizodinga ukunqunywa ngokusekelwe ekwakhiweni nasezimfuneko zohlelo oluthile lokuxhumana lwe-quantum.
I-Concept inikeza uhla olugcwele lwezingxenye ze-microwave ezingenzi lutho zokuxhumana kwe-quantum
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Isikhathi sokuthumela: Jun-01-2023