Incazelo: I-Erbium-doped fiber Amplifier EDFA Optical Amplifier

Incazelo: I-Erbium-doped fiber AmplifierI-EDFA Optical Amplifier

I-Erbium-doped optical fiber amplifier (EDFA, okungukuthi, isikhulisi sesignali esibonakalayo esine-Er3 + esifakwe ku-fiber core ngokusebenzisa isignali) iyisikhulisamazwi sokuqala esibonakalayo esakhiwa yiNyuvesi yaseSouthampton ngo-1985, futhi singenye yezinto ezisunguliwe ezinkulu kakhulu ekuxhumaneni kwe-fiber optical. I-Erbium-doped fiber iwuhlobo lwefayibha enenani elincane le-arbium element yomhlaba eyi-erbium (Er) ions ku-quartz fiber, okuwumgogodla weI-Erbium-doped fiber amplifier. Kusukela ngasekupheleni kwawo-1980, kuye kwaba nokuphumelela okukhulu ocwaningweni lwe-erbium-doped fiber amplifiers. Ubuchwepheshe be-WDM buye bawandisa kakhulu amandla okuxhumana kwe-fiber optical. Kuyi-amplifier ye-optical esetshenziswa kakhulu ekuxhumaneni kwe-fiber optical.

Uhlelo lokusebenza: I-Optical fibre amplifier iyidivayisi ye-optical amplifier ekhulisa ngokuqondile isignali ye-optical kusistimu yokuxhumana ye-fiber optical. Kuhlelo lwezokuxhumana kusetshenziswa i-fiber optical, kuwubuchwepheshe obukhulisa ngokuqondile isignali ye-optical ngaphandle kokuguqula isignali ye-optical ibe isignali kagesi. I-Erbium-doped fiber amplifier (i-EDFA Optical Amplifier, okungukuthi, isikhulisi sesignali esibonakalayo esine-erbium ion Er3 + ku-fiber core ngokusebenzisa isignali) iyisikhulisamsindo sokuqala esibonakalayo esakhiwa yiNyuvesi yaseSouthampton e-United Kingdom kanye neNyuvesi yase-Tohoku yaseJapane, singenye yezinto ezisungulwe kakhulu ekuxhumaneni kwe-optical fiber. I-Erbium-doped fiber iwuhlobo lwefayibha enenani elincane lama-ion we-arbium element yomhlaba (Er) ku-quartz fiber, okuwumgogodla we-Erbium-doped fiber amplifier. Kusukela ngasekupheleni kwawo-1980, kuye kwaba nokuphumelela okukhulu ocwaningweni lwe-erbium-doped fiber amplifiers. Ubuchwepheshe be-WDM buye bawandisa kakhulu amandla okuxhumana kwe-fiber optical. Kuyi-amplifier ye-optical esetshenziswa kakhulu ekuxhumaneni kwe-fiber optical.

Ipharamitha eyisisekelo

Igama legama: I-Erbium-doped fiber amplifier

Itemu elihlobene:I-Optical Amplifier

I-quartz fiber ehlanganiswe nezinto ezingavamile zomhlaba (ezifana ne-Nd, Er, Pr, Tm, njll.) ingakha isistimu ye-laser enamazinga amaningi, futhi ikhulise ngokuqondile ukukhanya kwesiginali yokufaka ngaphansi kwesenzo sokukhanya kwephampu. Ngemva kokunikeza impendulo efanele, i-fiber laser yenziwa. Ubude begagasi obusebenzayo be-ND-doped fiber amplifier yi-1060nm kanye ne-1330nm, kodwa ukuthuthukiswa nokusebenza kwayo kukhawulelwe ngenxa yokuchezuka echwebeni elifanele lokuxhumana kwefayibha nezinye izizathu. Amaza amaza okusebenza e-EDFA kanye ne-PDFA akulahleko okuphansi kakhulu (1550nm) kanye newindi elinguziro lokuhlakazeka kwamaza (1300nm) okuxhumana nge-fiber optical ngokulandelanayo, futhi i-TDFA isebenza ku-S-band, elungele kakhulu izinhlelo zokusebenza zesistimu yokuxhumana ye-fiber optical. Ikakhulukazi i-EDFA, intuthuko eshesha kakhulu, iye yaba usizo.

Ngokwesisekelo sokuthuthukiswa kwe-erbium-doped fiber, ama-amplifiers amaningi amasha ayaqhubeka nokuvela. Isibonelo, i-dual-band fibre amplifier (DBFA) esekelwe ku-erbium-doped fibre iyi-broadband optical amplifier, futhi i-broadband ingamboza cishe wonke umkhawulokudonsa we-wavelength division multiplexing (WDM). Umkhiqizo ofanayo yi-ultra-wideband Optical amplifier (UWOA), enomkhawulokudonsa wokukhava ukuze ikhulise amashaneli angama-wavelength afika kwangu-100 kuyifayibha eyodwa.

Isicelo esiwusizo

Ukusetshenziswa kwe-Erbium-doped fibre amplifier(EDFA Amplifier) ​​ohlelweni lokuxhumana lwedijithali oluvamile lwefiber optical kungasindisa ama-optical Repeaters amaningi, futhi nebanga lokudluliselana likhuphuke kakhulu, elibaluleke kakhulu ohlelweni lwesiqu sekhebula elikude.

Izicelo zayo eziyinhloko zihlanganisa:

1, ingasetshenziswa njenge-amplifier yebanga elilula. I-electronic fiber optic Repeaters yendabuko inemikhawulo eminingi. Isibonelo, lapho isignali yedijithali kanye nesignali ye-analog iguqulelwa komunye nomunye, ophindayo kufanele ashintshwe ngokufanele; Lapho imishini ishintsha isuka ejubaneni eliphansi iye ejubaneni elikhulu, i-repeater kufanele ishintshwe ngokufanele. Dlulisa kuphela ubude obufanayo besignali yokukhanya, futhi isakhiwo siyinkimbinkimbi, siyabiza, njalonjalo. Ama-amplifiers e-fiber e-Erbium-doped anqoba lokhu kushiyeka, akudingekile kuphela ukuthi ashintshe ngokushintshwa kwemodi yesignali, kodwa futhi awadingi ukushintshwa lapho okokusebenza kunwetshwa noma kusetshenziselwa ukuphindaphinda kwe-optical wavelength division.

2, ingasetshenziswa njenge-optical transmitter post amplifier kanye ne-optical receiver preamplifier. Njengesikhulisi seposi se-transmitter ebonakalayo, amandla okudlulisela e-laser anganyuswa ukusuka ku-0db ukuya ku-+10db. Uma isetshenziswa njengesandulela sesamukeli sokubona, ukuzwela kwayo kungathuthukiswa kakhulu. Ngakho-ke, ama-amplifiers angu-1-2 kuphela e-erbium-doped asethwe emgqeni, futhi ibanga lokudlulisela isignali lingakhuphuka ngo-100-200km.

Ngaphezu kwalokho, i-erbium-doped fiber amplifier (I-EDFA Amplifier) ukuxazulula inkinga. Izinzuzo eziyingqayizivele zama-Erbium-doped fiber amplifiers ziye zabonwa umhlaba wonke, futhi sezisetshenziswa kabanzi. Kodwa-ke, ama-Erbium-doped fiber amplifiers nawo anemikhawulo ethile. Isibonelo, ekukhulumisaneni okude angeke kube phezulu naphansi, ukuxhumana kwebhizinisi esiteshini kunzima kakhulu, akulula ukuthola amaphutha, ukuphila komthombo wokukhanya kwepompo akukude, ngokuqhubeka okuqhubekayo kobuchwepheshe bokuxhumana kwe-fiber optical, lezi zinkinga zizoxazululwa ngokugculisayo.