Gịnị bụ asemiconductor ngwa anya amplifier
Igwe ihe nleba anya nke semiconductor bụ ụdị nkwuputa ngwa anya nke na-eji ọkara uru semiconductor. Ọ dị ka diode laser, nke a na-eji mkpuchi nke ọkara dochie anya mirror na njedebe dị ala. A na-ebunye ọkụ mgbaama site na semiconductor otu ụdị ebili mmiri. Akụkụ transverse nke waveguide bụ 1-2 micrometers na ogologo ya dị n'usoro nke 0.5-2mm. Ụdị waveguide nwere nnukwu ndakọrịta na mpaghara na-arụ ọrụ (amplification), nke ugbu a na-agbapụta. Ugbu a etinyere n'ọgbara ahụ na-ewepụta ntinye uche nke onye na-ebu ya na band conduction, na-enye ohere mgbanwe anya nke band conduction na band valence. Uru kacha elu na-apụta mgbe ike foton dị ntakịrị karịa ike bandgap. A na-ejikarị SOA optical amplifier na sistemụ nkwukọrịta n'ụdị pigtails, yana ogologo ogologo ọrụ gburugburu 1300nm ma ọ bụ 1500nm, na-enye ihe ruru 30dB uru.
NkeSOA semiconductor optical amplifierbụ ngwaọrụ nkwụsịtụ PN nwere nhazi olulu mmiri quantum. Mpụga n'ihu n'ihu na-atụgharị ọnụ ọgụgụ nke irighiri ihe dielectric. Mgbe ìhè mkpali nke mpụga batara, a na-emepụta radieshon na-akpali akpali, na-enweta mmụba nke akara ngosi anya. Usoro mbufe ume atọ a dị n'elu dị n'imeSOA Optical amplifier. Nkwalite akara ngosi anya na-adabere na nkupụta mkpali. Usoro nnabata a na-akpali akpali na usoro mmepụta na-adị n'otu oge. Enwere ike iji ihe na-akpali akpali nke ọkụ mgbapụta ahụ mee ka ọ dịkwuo ngwa ngwa mgbake nke ndị na-ebu ya, ma n'otu oge ahụ, mgbapụta eletrik nwere ike izipu electrons na ọkwa dị elu (band conduction). Mgbe a na-amụba radieshon na-apụtaghị ìhè, ọ ga-etolite mkpọtụ radieshon na-apụtachaghị ìhè. Ngwa ngwa anya SOA dabere na ibe semiconductor.
Ihe nkedo nke semiconductor mejupụtara semiconductor, dị ka GaAs / AlGaAs, InP / AlGaAs, InP / InGaAsP na InP / InAlGaAs, wdg. Ndị a bụkwa ihe maka ịme lasers semiconductor. Nhazi ebili mmiri nke SOA bụ otu ma ọ bụ yie nke lasers. Ihe dị iche bụ na lasers kwesịrị ịmepụta oghere resonant n'akụkụ ihe a na-enweta iji mepụta ma nọgide na-enwe oscillation nke mgbaàmà anya. A ga-abawanye mgbama ngwa anya ọtụtụ oge n'ime oghere tupu ewepụta ya. N'imeSOA amplifier(ihe anyị na-atụle ebe a bụ naanị na amplifiers ebili mmiri na-ejegharị ejegharị na-eji n'ọtụtụ ngwa), ìhè kwesịrị ịgafe na-enweta otu ugboro, na ntụgharị uche azụ dị ntakịrị. Usoro ihe nrịbawanye SOA nwere mpaghara atọ: Mpaghara P, Mpaghara I (akpụkpọ anụ na-arụ ọrụ ma ọ bụ ọnụ), na Mpaghara N. A na-emekarị oyi akwa na-arụ ọrụ nke quantum Wells, nke nwere ike imeziwanye ọrụ ntụgharị fotoelectric ma belata ọnụ ụzọ ugbu a.
Ọgụgụ 1 Fiber Laser nwere SOA agbakwunyere maka iwepụta pulses anya
Tinyere na mbufe ọwa
A na-ejikarị SOA eme ihe naanị na nkwalite: enwere ike iji ha na ngalaba nkwukọrịta eriri anya, ngwa dabere na usoro enweghị usoro dị ka uru saturation ma ọ bụ polarization cross-phase, nke na-eji mgbanwe dị iche iche nke ntinye uche na SOA optical amplifier iji nweta indices dị iche iche. Enwere ike itinye mmetụta ndị a na mbufe ọwa (ntụgharị ogologo ogologo), ntụgharị usoro mgbanwe mgbanwe, mgbake elekere, mgbama mgbama na njirimara ụkpụrụ, wdg na usoro nkewa nkewa ogologo oge.
Site na ọganihu nke teknụzụ sekit agbakwunyere optoelectronic yana mbelata ọnụ ahịa nrụpụta, mpaghara ngwa nke SOA semiconductor optical amplifier dị ka ihe nrịbama, ngwa anya na-arụ ọrụ na akụrụngwa subsystem ga-aga n'ihu na-abawanye.
Oge nzipu: Jun-23-2025