Iterambere ry'ikoranabuhanga mu itumanaho rya kwantumu mu Bushinwa ryateye imbere mu byiciro bitandukanye. Guhera mu cyiciro cy'ubushakashatsi n'ubushakashatsi mu 1995, mu mwaka wa 2000, Ubushinwa bwari bwarangije igerageza ryo gukwirakwiza urufunguzo rwa kwantumu ryamaze uburebure bwa kilometero 1.1. Kuva mu 2001 kugeza mu 2005 ryari icyiciro cy'iterambere ryihuse aho igerageza ryo gukwirakwiza urufunguzo rwa kwantumu ryagenze neza mu ntera ya kilometero 50 na kilometero 125 [1].
Mu myaka ya vuba aha, Ubushinwa bwateye intambwe ikomeye mu itumanaho rya quantum. Ubushinwa bwabaye ubwa mbere bwashyize ahagaragara icyogajuru cy’ubushakashatsi bwa quantum, "Micius," kandi bwubatse umurongo w’itumanaho utekanye wa quantum ugera ku birometero ibihumbi hagati ya Beijing na Shanghai. Ubushinwa bwakoze neza umuyoboro w’itumanaho rya quantum uva ku isi ujya mu isanzure ufite uburebure bwa kilometero 4600. Uretse ibi, Ubushinwa bwanageze ku iterambere ritangaje mu ikoranabuhanga rya quantum. Urugero, Ubushinwa bwakoze igikoresho cya mbere ku isi cya mudasobwa ya quantum ifite fotoni, bwubatse neza igikoresho cya quantum cya "Jiuzhang" gifite fotoni 76, kandi bwubatse neza igikoresho cya porogaramu cya quantum cya superconducting "Zu Chongzhi" kirimo 62 qubits.
Gukoresha igice kidakora muri sisitemu y'itumanaho rya quantum ni ingenzi cyane. Urugero, ibikoresho nka microwave attenuators, directional couplers, power dividers, microwave filters, phase shifters, na microwave isolators bishobora gukoreshwa. Ibi bikoresho bikoreshwa cyane cyane mu gutunganya no kugenzura ibimenyetso bya microwave bitangwa na quantum bits.
Ibikoresho bigabanya ingufu z'ibimenyetso bya mikoroonde bishobora kugabanya imbaraga z'ibimenyetso bya mikoroonde kugira ngo hirindwe ko habaho kwivanga mu bindi bice bya sisitemu bitewe n'imbaraga nyinshi z'ibimenyetso. Ibikoresho bihuza icyerekezo bishobora kugabanya ibimenyetso bya mikoroonde mo ibice bibiri, bikoroshya uburyo bugoye bwo gutunganya ibimenyetso. Ibikoresho biyungurura mikoroonde bishobora gushungura ibimenyetso by'imirongo yihariye yo gusesengura no gutunganya ibimenyetso. Ibikoresho bihindura ibice bishobora guhindura urwego rw'ibimenyetso bya mikoroonde, bikoreshwa mu kugenzura imiterere y'ibice bya quantum. Ibikoresho bitandukanya mikoroonde bishobora kwemeza ko ibimenyetso bya mikoroonde bikwirakwira mu cyerekezo kimwe gusa, bikarinda gusubira inyuma kw'ibimenyetso no kwivanga mu buryo.
Ariko, ibi ni bimwe mu bice bya mikoroonde bidakoreshwa bishobora gukoreshwa mu itumanaho rya quantum. Ibice byihariye bigomba gukoreshwa bigomba kugenwa hashingiwe ku gishushanyo n'ibisabwa na sisitemu yihariye y'itumanaho rya quantum.
Igitekerezo gitanga ubwoko bwuzuye bw'ibice bya microwave bidakora mu itumanaho rya quantum
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Igihe cyo kohereza: Kamena-01-2023