Kwenza kanjanii-semiconductor optical amplifiersifinyelele ukukhuliswa?
Ngemva kokufika kwenkathi yokuxhumana okukhulu kwe-fiber optical, ubuchwepheshe be-optical amplification buthuthuke ngokushesha.Ama-amplifiers abonakalayokhulisa amasignali abonakalayo okokufaka ngokusekelwe emisebeni evuselelwe noma ukuhlakazeka okuvuselelwe. Ngokomgomo wokusebenza, ama-amplifiers optical angahlukaniswa abe ama-semiconductor optical amplifiers (I-SOA) kanyeama-amplifiers we-fiber optical. Phakathi kwazo,ama-amplifiers optical semiconductorzisetshenziswa kabanzi ekuxhumaneni optical ngenxa yezinzuzo ze-wide gain band, ukuhlanganiswa okuhle kanye nobubanzi be-wavelength. Akhiwe izifunda ezisebenzayo nezingenzi lutho, futhi indawo esebenzayo yisifunda sokuzuza. Lapho isignali yokukhanya idlula endaweni esebenzayo, ibangela ukuthi ama-electron alahlekelwe amandla futhi abuyele endaweni ephansi ngendlela yama-photon, anobude obufanayo nesignali yokukhanya, ngaleyo ndlela akhulise isignali yokukhanya. I-semiconductor optical amplifier iguqula isithwali se-semiconductor ibe yizinhlayiyana ezibuyela emuva ngokushayela okwamanje, ikhulise i-amplitude yokukhanya kwembewu ejovwe, futhi igcine izici eziyisisekelo zokukhanya kwembewu okujovwe njenge-polarization, ububanzi bomugqa kanye nemvamisa. Ngokukhula kwamandla okusebenza, amandla okukhanya okukhiphayo nawo ayanda ebudlelwaneni obuthile bokusebenza.
Kodwa lokhu kukhula akukhona ngaphandle kwemingcele, ngoba ama-amplifiers optical semiconductor anenzuzo ye-saturation phenomenon. Isenzeko sibonisa ukuthi uma amandla okubona okokufaka engashintshi, inzuzo iyanda ngokukhula kokugxilisa kwenkampani yenethiwekhi ejovwe, kodwa uma ukugxilisa kwenkampani yenethiwekhi okujovwe kukukhulu kakhulu, inzuzo izogcwala noma yehle. Uma ukugxiliswa kwenkampani yenethiwekhi ejovwe kungashintshi, amandla okukhiphayo ayanda ngokukhula kwamandla okufaka, kodwa uma amandla okufaka okufakwayo emakhulu kakhulu, izinga lokusetshenziswa kwenkampani yenethiwekhi elibangelwa imisebe ejabulile likhulu kakhulu, okuholela ekuzuzeni ukugcwala noma ukwehla. Isizathu sokwenzeka kwenzuzo yokugcwaliswa kwesikhala ukusebenzisana phakathi kwama-electron nama-photon endaweni esebenzayo yesifunda. Ukuthi ama-photon akhiqizwe ku-gain medium noma kuma-photon angaphandle, izinga lapho imisebe evuselelwe idla abathwali lihlobene nezinga lapho izinkampani zenethiwekhi ezigcwalisa khona kuleveli yamandla ehambisanayo ngesikhathi. Ngokungeziwe emisebeni evuselelwe, izinga lenkampani yenethiwekhi elisetshenziswa ezinye izici nalo liyashintsha, okuthinta kabi ukugcwala kwesikhala.
Njengoba umsebenzi obaluleke kakhulu we-semiconductor optical amplifiers ukukhulisa umugqa, ikakhulukazi ukufeza ukukhulisa amandla, ingasetshenziswa njengama-amplifiers, ama-amplifiers emigqa kanye nama-preamplifiers ezinhlelweni zokuxhumana. Ekupheleni kokudlulisela, i-semiconductor optical amplifier isetshenziswa njenge-amplifier yamandla ukuze kuthuthukiswe amandla okukhiphayo ekugcineni kokudlulisa uhlelo, okungakhuphula kakhulu ibanga lokudlulisa isiqu sohlelo. Kulayini wokudlulisa, i-semiconductor optical amplifier ingasetshenziswa njenge-linear relay amplifier, ukuze ibanga lokudlulisela elivuselelayo lokudlulisela linganwetshwa futhi ngokugxuma kanye nemingcele. Ekupheleni kokwamukela, i-semiconductor optical amplifier ingasetshenziswa njenge-preamplifier, engathuthukisa kakhulu ukuzwela kowamukelayo. Izici zokugcwala kwenzuzo zama-semiconductor optical amplifiers zizobangela inzuzo ngebhithi ngayinye ukuthi ihlobane nokulandelana kwebhithi yangaphambilini. Umthelela wephethini phakathi kwamashaneli amancane nawo ungabizwa ngokuthi umphumela wokushintshanisa wokuzuza okuphambene. Le nqubo isebenzisa isilinganiso sezibalo somphumela wokushintshanisa wenzuzo phakathi kwamashaneli amaningi futhi yethula igagasi eliqhubekayo elinamandla amaphakathi enqubweni yokunakekela i-beam, ngaleyo ndlela cindezela isamba senzuzo ye-amplifier. Khona-ke umphumela wokushintshanisa wenzuzo phakathi kwamashaneli uyancishiswa.
Ama-amplifiers optical Semiconductor anesakhiwo esilula, ukuhlanganiswa okulula, futhi angakhulisa amasignali optical amaza ahlukene, futhi asetshenziswa kabanzi ekuhlanganisweni kwezinhlobo ezahlukene zama-lasers. Njengamanje, ubuchwepheshe bokuhlanganiswa kwe-laser obusekelwe kuma-amplifiers optical semiconductor buyaqhubeka nokuvuthwa, kodwa imizamo kusadingeka yenziwe kulezi zici ezintathu ezilandelayo. Enye iwukunciphisa ukulahlekelwa kokuhlanganisa nge-fiber optical. Inkinga enkulu ye-semiconductor optical amplifier ukuthi ukulahlekelwa kokuhlanganisa ne-fiber kukhulu. Ukuze kuthuthukiswe ukusebenza kahle kokuhlanganisa, ilensi ingangezwa kusistimu yokuhlanganisa ukuze kuncishiswe ukulahlekelwa kokubonisa, kuthuthukiswe ukulinganisa kwe-beam, futhi kuzuzwe ukuhlanganisa okuseqophelweni eliphezulu. Okwesibili ukunciphisa ukuzwela kwe-polarization kwama-amplifiers optical semiconductor. Isici se-polarization ikakhulukazi sisho ukuzwela kwe-polarization kwesibani sesigameko. Uma i-semiconductor optical amplifier ingacutshungulwa ngokukhethekile, umkhawulokudonsa osebenzayo wenzuzo uzoncishiswa. Isakhiwo somthombo we-Quantum singathuthukisa ngempumelelo ukuzinza kwama-amplifiers optical semiconductor. Kungenzeka ukutadisha isakhiwo esilula futhi esiphezulu se-quantum ukuze unciphise ukuzwela kwe-polarization kwama-amplifiers optical semiconductor. Okwesithathu ukuthuthukiswa kwenqubo edidiyelwe. Njengamanje, ukuhlanganiswa kwama-semiconductor optical amplifiers nama-lasers kuyinkimbinkimbi kakhulu futhi kunzima ekucutshungulweni kobuchwepheshe, okuholela ekulahlekelweni okukhulu kokudluliswa kwesignali ye-optical kanye nokulahlekelwa kokufaka idivayisi, futhi izindleko ziphezulu kakhulu. Ngakho-ke, kufanele sizame ukukhulisa ukwakheka kwamadivayisi ahlanganisiwe futhi sithuthukise ukunemba kwamadivayisi.
Kubuchwepheshe bokuxhumana obubonakalayo, ubuchwepheshe be-optical amplification bungobunye bobuchwepheshe obusekelayo, futhi ubuchwepheshe be-semiconductor optical amplifier buthuthuka ngokushesha. Njengamanje, ukusebenza kwe-semiconductor optical amplifiers kuye kwathuthukiswa kakhulu, ikakhulukazi ekuthuthukisweni kobuchwepheshe obusha besizukulwane esisha njenge-wavelength division multiplexing noma izindlela zokushintsha ukukhanya. Ngokuthuthuka kwemboni yolwazi, kuzokwethulwa ubuchwepheshe bokukhulisa i-optical optical obufanele amabhendi ahlukene kanye nezinhlelo zokusebenza ezahlukene, futhi ukuthuthukiswa nokucwaninga kobuchwepheshe obusha nakanjani kuzokwenza ubuchwepheshe be-semiconductor optical amplifier buqhubeke nokuthuthuka futhi buphumelele.
Isikhathi sokuthumela: Feb-25-2025