Rufaffen sadarwa na Quantum
Sadarwar sirrin Quantum, wanda kuma aka sani da rarraba maɓalli na quantum, ita ce kawai hanyar sadarwar da aka tabbatar tana da cikakkiyar aminci a matakin fahimtar ɗan adam na yanzu. Ayyukansa shine don rarraba maɓalli tsakanin Alice da Bob a ainihin lokacin don tabbatar da cikakken tsaro na sadarwa.
Amintaccen sadarwar gargajiya shine don zaɓar da sanya maɓalli lokacin da Alice da Bob suka hadu, ko aika mutum na musamman don isar da maɓallin. Wannan hanya ba ta da kyau kuma tana da tsada, kuma yawanci ana amfani da ita a yanayi na musamman kamar sadarwa tsakanin jirgin ruwa da tushe. Rarraba maɓalli na ƙididdigewa na iya kafa tashar ƙididdigewa tsakanin Alice da Bob, kuma sanya maɓallai a ainihin lokacin bisa ga buƙatu. Idan hare-hare ko satar bayanan sun faru yayin rarraba maɓalli, duka Alice da Bob na iya gano su.
Rarraba maɓalli na ƙididdigewa da gano photon guda ɗaya sune mabuɗin fasahar sadarwa mai aminci. A cikin 'yan shekarun nan, manyan jami'o'i da cibiyoyin bincike sun gudanar da bincike mai yawa na gwaji a kan muhimman fasahohin sadarwa na adadi.Electro-optic modulatorskumakunkuntar layin layiKamfaninmu ya haɓaka da kansa ya yi amfani da shi sosai a cikin tsarin rarraba maɓalli na ƙididdigewa. Dauki ci gaba da rarraba maɓalli mai canzawa a matsayin misali, kamar yadda aka nuna a cikin adadi mai zuwa.
Bisa ga ka'idodin da ke sama, na'ura mai amfani da wutar lantarki (AM, PM) wani muhimmin sashi ne na tsarin gwajin rarraba maɓalli na ƙididdiga, wanda ke da ikon daidaita girman girman ko lokaci na filin gani, ta yadda alamar shigarwa zata iya zama. ana watsa shi ta hanyar ƙididdiga na gani. Tsarin yana buƙatar na'urar haɓaka ƙarfin hasken don samun babban rabo mai ƙarewa da ƙarancin sakawa don samar da siginar haske mai ƙarfi.
Samfura masu alaƙa | Model da bayanin |
Laser kunkuntar layin layi | ROF-NLS jerin Laser, RIO fiber Laser, NKT fiber Laser |
ns pulse light source (laser) | ROF-PLS jerin bugun bugun jini tushen haske, na ciki da waje fararwa na zaɓi, bugun jini nisa da maimaita mita daidaitacce. |
Intensity modulator | ROF-AM jerin masu daidaitawa, har zuwa bandwidth na 20GHz, babban rabo mai ƙarewa har zuwa 40dB |
Modulator mataki | ROF-PM jerin modulator, yanayin bandwidth na yau da kullun 12GHz, rabin wutar lantarki ƙasa zuwa 2.5V |
Microwave amplifier | ROF-RF jerin analog amplifier, goyon bayan 10G, 20G, 40G microwave siginar ƙarawa, don electro-Optical modulator drive |
Daidaitaccen Photodetector | Jerin ROF-BPR, babban tsarin kin amincewa da yanayin gama gari, ƙaramar amo |
Lokacin aikawa: Satumba-09-2024