TheMadaidaita Ma'aunin Mach-Zehnder(MZ Modulator) wata muhimmiyar na'ura ce ta daidaita siginar gani bisa ga ƙa'idar tsangwama. Ka'idar aikinta ita ce kamar haka: A reshen siffa ta Y a ƙarshen shigarwa, hasken shigarwar yana raba zuwa raƙuman haske guda biyu kuma yana shiga tashoshin gani guda biyu masu layi ɗaya don watsawa bi da bi. An yi tashar gani ta kayan lantarki. Ta hanyar amfani da tasirin hasken lantarki, lokacin da siginar lantarki da aka yi amfani da ita a waje ta canza, ana iya canza ma'aunin haske na kayan sa, wanda ke haifar da bambance-bambancen hanyoyin gani daban-daban tsakanin hasken haske guda biyu da ke kaiwa reshen siffa ta Y a ƙarshen fitarwa. Lokacin da siginar gani a cikin tashoshin gani guda biyu suka isa reshen siffa ta Y a ƙarshen fitarwa, haɗuwa za ta faru. Saboda jinkirin lokaci daban-daban na siginar gani guda biyu, tsangwama tana faruwa a tsakaninsu, tana canza bayanan bambancin lokaci da siginar gani guda biyu ke ɗauka zuwa bayanan ƙarfi na siginar fitarwa. Saboda haka, ana iya cimma aikin daidaita siginar lantarki akan masu ɗaukar haske ta hanyar sarrafa sigogi daban-daban na ƙarfin wutar lantarki na mai daidaita Maris-Zehnder.
Sigogi na asali naMai Gyaran MZ
Sigogi na asali na MZ Modulator suna shafar aikin modulator kai tsaye a cikin yanayi daban-daban na aikace-aikace. Daga cikinsu, mahimman sigogin gani da sigogin lantarki sune kamar haka.
Sigogi na gani:
(1) Bandwidth na gani (Bandwidth 3db): Mitar mitar lokacin da girman amsawar mitar ya ragu da 3db daga matsakaicin ƙimar, tare da na'urar tana Ghz. Bandwidth na gani yana nuna kewayon mitar siginar lokacin da mai gyara ke aiki akai-akai kuma siga ce don auna ƙarfin ɗaukar bayanai na mai ɗaukar haske a cikinna'urar sarrafa na'urar lantarki (electro-optical modulator).
(2) Rabon Karewa: Rabon matsakaicin ƙarfin gani ta hanyar na'urar auna wutar lantarki zuwa mafi ƙarancin ƙarfin gani, tare da na'urar dB. Rabon karewa siga ce don kimanta ƙarfin canjin wutar lantarki na na'urar auna wutar lantarki.
(3) Asarar dawowa: Rabon ƙarfin hasken da aka nuna a ƙarshen shigarwarmai daidaitazuwa ga wutar lantarki mai shigowa, tare da naúrar dB. Asarar dawowa siga ce da ke nuna ƙarfin abin da ya faru da aka mayar da shi ga tushen siginar.
(4) Asarar shigarwa: Rabon ƙarfin fitarwa na gani zuwa ƙarfin shigarwa na gani na mai daidaitawa lokacin da ya kai ga matsakaicin ƙarfin fitarwa, tare da na'urar tana dB. Asarar shigarwa alama ce da ke auna asarar wutar gani ta hanyar shigar da hanyar gani.
(5) Matsakaicin ƙarfin gani na shigarwa: A lokacin amfani na yau da kullun, ƙarfin gani na shigarwar MZM Modulator ya kamata ya zama ƙasa da wannan ƙimar don hana lalacewar na'urar, tare da na'urar ta kasance mW.
(6) Zurfin daidaitawa: Yana nufin rabon girman siginar daidaitawa zuwa girman mai ɗauka, wanda yawanci ake bayyana shi a matsayin kashi.
Sigogi na lantarki:
Ƙarfin Rabin Raƙumi: Yana nufin bambancin ƙarfin lantarki da ake buƙata don ƙarfin lantarki mai tuƙi ya canza mai daidaitawa daga yanayin kashewa zuwa yanayin kunnawa. Ƙarfin gani na fitarwa na MZM Modulator yana canzawa akai-akai tare da canjin ƙarfin lantarki mai nuna bambanci. Lokacin da fitowar mai daidaitawa ta haifar da bambancin mataki na digiri 180, bambancin ƙarfin lantarki mai nuna bambanci wanda ya dace da mafi ƙarancin maki kusa da matsakaicin maki shine ƙarfin lantarki na rabin raƙumi, tare da naúrar V. Wannan sigar ana ƙaddara ta abubuwa kamar kayan aiki, tsari da tsari, kuma sigar da ke ciki ceMai Gyaran MZM.
(2) Matsakaicin ƙarfin wutar lantarki na DC: A lokacin amfani da shi na yau da kullun, ƙarfin wutar lantarki na shigarwar MZM ya kamata ya zama ƙasa da wannan ƙimar don hana lalacewar na'urar. Naúrar ita ce V. Ana amfani da ƙarfin wutar lantarki na DC don sarrafa yanayin son zuciya na mai daidaitawa don biyan buƙatun daidaitawa daban-daban.
(3) Matsakaicin ƙimar siginar RF: A lokacin amfani da shi na yau da kullun, siginar wutar lantarki ta RF da aka shigar ta MZM ya kamata ta zama ƙasa da wannan ƙimar don hana lalacewar na'urar. Naúrar ita ce V. Siginar mitar rediyo siginar lantarki ce da za a daidaita ta a kan na'urar ɗaukar hoto.
Lokacin Saƙo: Yuni-16-2025