Kedu ka semiconductor optical amplifier si enweta nkwalite?

Kedu ka ọ dịsemiconductor optical amplifiernweta nkwalite?

Mgbe ọbịbịa nke oge nkwurịta okwu fiber optical nwere nnukwu ikike, teknụzụ nkwalite ngwa anya amalitela ngwa ngwa.Ngwa ngwa ngwawelie ihe nrịbama ngwa anya ntinye dabere na radieshon na-akpali akpali ma ọ bụ mkpasu iwe. Dị ka ụkpụrụ ọrụ si dị, enwere ike kewaa ngwa anya amplifiers na semiconductor optical amplifiers (SOA) nangwa anya eriri amplifiers. N'etiti ha,semiconductor optical amplifiersna-ọtụtụ ebe na-eji ngwa anya nkwurịta okwu site omume ọma nke wide uru band, ezi mwekota na obosara wavelength nso. Ha na-agụnye mpaghara ndị na-arụ ọrụ na ndị na-adịghị ike, na mpaghara na-arụ ọrụ bụ mpaghara uru. Mgbe mgbaàmà ọkụ na-agafe na mpaghara na-arụ ọrụ, ọ na-eme ka ndị electrons kwụsị ike ma laghachi na ala ala n'ụdị photon, nke nwere otu ogologo wavelength dị ka mgbama ọkụ, si otú a na-eme ka mgbaàmà ọkụ dịkwuo elu. Igwe ihe nleba anya nke semiconductor na-atụgharị onye na-ebu semiconductor n'ime akụkụ azụ site na ịnya ụgbọ ala ugbu a, na-eme ka njupụta ọkụ mkpụrụ agbanyere, ma na-edobe njirimara anụ ahụ bụ isi nke ọkụ mkpụrụ agbanyere dị ka polarization, obosara ahịrị na ugboro ole. Site na mmụba nke ugbu a na-arụ ọrụ, ike ngwa anya mmepụta na-abawanye na mmekọrịta ụfọdụ na-arụ ọrụ.

Ma uto a abụghị nke na-enweghị oke, n'ihi na semiconductor optical amplifiers nwere uru saturation phenomen. Ihe omume na-egosi na mgbe ike ntinye anya na-agbanwe agbanwe, uru ahụ na-abawanye site na mmụba nke ntinye uche nke onye na-ebu ibu, ma mgbe ntinye ihe na-ebu ibu dị ukwuu, uru ahụ ga-ejupụta ma ọ bụ ọbụna ibelata. Mgbe ịta ahụhụ nke onye na-ebu injected na-adịgide adịgide, ike mmepụta na-abawanye site na mmụba nke ike ntinye, ma mgbe ike ntinye anya dị oke ibu, ọnụ ọgụgụ ndị na-ebu ibu na-akpata site na radieshon na-akpali akpali dị ukwuu, na-eme ka ọ nweta saturation ma ọ bụ daa. Ihe kpatara mmụba saturation enwetara bụ mmekọrịta dị n'etiti electrons na foton na ihe mpaghara na-arụ ọrụ. Ma foton ndị a na-emepụta na ihe na-enweta ma ọ bụ foton ndị dị na mpụga, ọnụego nke radieshon na-ekpo ọkụ na-eri ndị na-ebu ya metụtara ọnụego nke ndị na-ebu ya na-ejupụta n'ogo ike kwekọrọ na oge. Na mgbakwunye na radieshon na-akpali akpali, ọnụ ọgụgụ ụgbọelu nke ihe ndị ọzọ na-eri na-agbanwekwa, nke na-emetụta uru saturation nke ọma.

Ebe ọrụ kacha mkpa nke semiconductor optical amplifiers bụ linear amplification, tumadi iji nweta nkwalite, enwere ike iji ya dị ka ihe na-amụba ike, akara ụda na preamplifiers na usoro nkwurịta okwu. Na njedebe na-ebufe, a na-eji semiconductor optical amplifier mee ihe dị ka ihe ọkụ ọkụ na-eme ka ike mmepụta dị na njedebe na-ebufe nke usoro ahụ, nke nwere ike ime ka nkwụsị ọsọ ọsọ nke ogwe usoro ahụ dịkwuo ukwuu. N'ime ahịrị nnyefe, enwere ike iji igwe elekere anya nke semiconductor dị ka ihe nrịbama relay linear, ka e wee nwee ike ịgbatị ebe nnyefe regenerative ọzọ site na mmali na oke. Na njedebe na-anata, enwere ike iji igwe ihe na-ahụ anya nke semiconductor mee ihe dị ka ihe mbụ, nke nwere ike ime ka mmetụta nke onye nata ya dịkwuo mma. Njirimara saturation enwetara nke igwe ihe igwe anya semiconductor ga-eme ka uru otu bit jikọtara ya na usoro bit gara aga. Mmetụta ụkpụrụ n'etiti obere ọwa nwekwara ike ịkpọ cross-enweta modulation mmetụta. Usoro a na-eji ọnụọgụ ọnụọgụ ọnụọgụ nke mmetụta mgbanwe mgbanwe n'etiti ọtụtụ ọwa ma na-ewebata a ọkara ike na-aga n'ihu na-efegharị efegharị na usoro iji nọgide na-osisi, si otú mpikota onu mkpokọta uru nke amplifier. Mgbe ahụ, mmetụta mgbanwe mgbanwe n'etiti ọwa na-ebelata.

Semiconductor optical amplifiers nwere usoro dị mfe, ntinye dị mfe, ma nwee ike ịbawanye akara ngosi anya nke ogologo wavelength dị iche iche, a na-ejikwa ya na njikọta nke ụdị laser dị iche iche. Ka ọ dị ugbu a, teknụzụ njikọta laser nke dabere na ihe igwe elekere anya semiconductor na-aga n'ihu na-eto eto, mana a ka kwesịrị ime mgbalị n'akụkụ atọ ndị a. Otu bụ ibelata mfu njikọ na eriri anya. Nsogbu bụ isi nke semiconductor optical amplifier bụ na mfu njikọ na eriri ahụ buru ibu. Iji mee ka njikọ dị mma dịkwuo mma, enwere ike ịgbakwunye oghere na usoro njikọ iji belata nhụsianya echiche, melite symmetry nke osisi ahụ, wee nweta njikọ dị elu nke ọma. Nke abụọ bụ ibelata ikike nghọta nke semiconductor optical amplifiers. Ihe e ji mara polarization na-ezo aka na nhụsianya polarization nke ìhè merenụ. Ọ bụrụ na a naghị edozi ihe nrịbama anya nke semiconductor nke ọma, bandwidth dị irè nke uru ga-ebelata. Nhazi nke ọma nke Quantum nwere ike imeziwanye nkwụsi ike nke igwe ihe igwe anya semiconductor. Ọ ga-ekwe omume ịmụ usoro nke ọma quantum dị mfe ma dị elu iji belata nhụsianya polarization nke ihe nrịbama anya semiconductor. Nke atọ bụ njikarịcha nke usoro agbakwunyere. Ka ọ dị ugbu a, njikọ nke semiconductor optical amplifiers na lasers dị oke mgbagwoju anya na mgbagwoju anya na nhazi teknụzụ, na-akpata nnukwu mfu na nnyefe mgbaàmà anya na nkwụsị ntinye ngwaọrụ, na ọnụ ahịa dị oke elu. Ya mere, anyị kwesịrị ịgbalị ịkwalite nhazi nke ngwaọrụ agbakwunyere ma melite nkenke nke ngwaọrụ.

Na teknụzụ nzikọrịta ozi anya, teknụzụ nkwalite ngwa anya bụ otu n'ime teknụzụ na-akwado, yana teknụzụ igwe na-ahụ anya nke semiconductor na-etolite ngwa ngwa. Ka ọ dị ugbu a, arụ ọrụ nke semiconductor optical amplifiers emeela ka ọ dịkwuo mma, karịsịa na mmepe nke teknụzụ ọhụụ ọhụụ dịka nkewa nkewa nkewa multiplexing ma ọ bụ ụdị mgbanwe anya. Site na mmepe nke ụlọ ọrụ mgbasa ozi, a ga-ewebata teknụzụ nkwalite ngwa anya dabara adaba maka ìgwè dị iche iche na ngwa dị iche iche, na mmepe na nyocha nke teknụzụ ọhụrụ ga-eme ka teknụzụ igwe amamịghe nke semiconductor na-aga n'ihu na-etolite ma na-aga nke ọma.