Amfuta na ganijerin: Gabatarwa zuwa Semiconductor Optical Amplifier
Semiconductor na gani amplifier(SOA) babban amplifier ne na gani wanda ya danganci kafofin watsa labarai na riba. Yana da gaske kamar fiber guda biyu semiconductor Laser tube, tare da karshen madubi maye gurbinsu da wani anti nuna fim; Za'a iya amfani da jagororin karkatar da igiyoyin igiyar ruwa don ƙara rage hasashe. Hasken sigina yawanci ana watsa shi ta hanyar jagorar igiyar ruwa guda ɗaya, tare da girman gefen 1-2 μm kuma tsayin kusan 0.5-2mm. Yanayin waveguide yana mamayewa sosai tare da yanki mai aiki (amplification), wanda ake kunnawa ta halin yanzu. Aiwatar da halin yanzu yana haifar da ƙayyadaddun ƙimar mai ɗaukar hoto a cikin rukunin gudanarwa, yana ba da izinin jujjuyawar gani daga rukunin gudanarwa zuwa band ɗin valence. Matsakaicin riba yana faruwa a makamashin photon kaɗan sama da ƙarfin bandgap.
Ƙa'idar aiki na semiconductor Optical amplifier
Semiconductor na gani amplifiers(SOA) haɓaka siginonin hasken da ke faruwa ta hanyar haɓakar hayaƙi, kuma tsarin su iri ɗaya ne da na lasers semiconductor.SOA na gani amplifierLaser ne kawai na semiconductor ba tare da amsa ba, kuma ainihin sa shine samun riba ta gani ta hanyar juyar da adadin barbashi lokacin da na'urar amplifier na gani na gani ko kuma ta hanyar lantarki.
Nau'inSOA Semiconductor na gani amplifier
Dangane da rawar da SOA ke takawa a tsarin abokin ciniki, ana iya raba su zuwa rukuni huɗu: serial, booster, sauya SOA, da preamplifier.
1. Shigarwa kai tsaye: riba mafi girma, matsakaici Psat; Ƙananan NF da ƙananan PDG, yawanci suna hade da polarization mai zaman kanta SOA ·
2. Mai haɓakawa: Mafi girma Psat, ƙananan riba, yawanci ya dogara da polarization;
3. Canjawa: mafi girma rabo rabo da sauri tashi / fall lokaci;
4. Pre amplifier: dace da nisan watsawa mai tsayi, ƙananan NF, da riba mafi girma.
Amfanin SOA Semiconductor Optical Amplifier
Ribar gani da SOA ke bayarwa a cikin bandwidth yana da ɗan zaman kansa daga tsawon siginar gani da ya faru.
Allurar halin yanzu azaman ƙaramar siginar famfo, maimakon famfo na gani.
Saboda ƙaƙƙarfan girmansa, ana iya haɗa SOA tare da na'urori masu ɗaukar hoto masu yawa a kan madaidaicin tsari guda ɗaya.
4. Suna amfani da fasaha iri ɗaya kamar laser diode.
SOA na iya aiki a cikin nau'ikan nau'ikan hanyoyin sadarwa na 1300nm da 1550nm, tare da faffadan bandwidth (har zuwa 100 nm).
6. Ana iya daidaita su kuma a haɗa su don yin aiki a matsayin preamplifiers a ƙarshen mai karɓa na gani.
Ana iya amfani da SOA azaman ƙofar dabaru mai sauƙi a cikin cibiyoyin sadarwa na gani na WDM.
Iyakance na SOA Semiconductor Optical Amplifier
SOA na iya samar da wutar lantarki mai fitarwa har zuwa dubun milliwatts (mW), wanda yawanci ya isa don aikin tashar guda ɗaya a cikin hanyoyin sadarwar fiber optic. Koyaya, tsarin WDM na iya buƙatar har zuwa mW da yawa na iko kowace tashoshi.
2. Saboda haɗakar shigar da filaye masu gani a ciki da waje na SOA haɗaɗɗen kwakwalwan kwamfuta sau da yawa haifar da asarar sigina, SOA dole ne ta samar da ƙarin fa'idar gani don rage tasirin wannan asarar akan abubuwan shigarwa / fitarwa na yanki mai aiki.
SOA tana da matuƙar kulawa ga polarization na shigar da siginar gani.
4. Suna haifar da matakan haɓaka mafi girma a cikin kafofin watsa labaru masu aiki fiye da masu haɓaka fiber.
Idan an haɓaka tashoshi na gani da yawa kamar yadda ake buƙata a aikace-aikacen WDM, SOA zai haifar da tsattsauran ra'ayi.
Lokacin aikawa: Fabrairu-24-2025