Optical amplifierseries: Taw qhia rau Semiconductor Optical Amplifier
Semiconductor optical amplifier(SOA) yog lub tshuab hluav taws xob kho qhov muag raws li cov khoom siv hluav taws xob tau txais xov xwm. Nws yog qhov tseem ceeb zoo li fiber ntau txuas semiconductor laser raj, nrog rau daim iav kawg hloov los ntawm cov yeeb yaj kiab los tiv thaiv; Tilted waveguides tuaj yeem siv los txo qhov kawg qhov kev xav. Lub teeb pom kev zoo feem ntau kis tau los ntawm ib qho semiconductor ib hom waveguide, nrog rau sab nraud ntawm 1-2 μ m thiab qhov ntev ntawm kwv yees li 0.5-2 hli. Lub waveguide hom ho overlaps nrog lub active (amplification) cheeb tsam, uas yog pumped los ntawm tam sim no. Kev txhaj tshuaj tam sim no ua rau muaj qee qhov kev thauj khoom ceev hauv cov kab hluav taws xob conduction, tso cai rau kev hloov kho qhov muag los ntawm cov kab hluav taws xob mus rau valence band. Qhov siab tshaj plaws tau tshwm sim ntawm photon energies me ntsis saum lub bandgap zog.
Ua hauj lwm hauv paus ntsiab lus ntawm semiconductor optical amplifier
Semiconductor optical amplifiers (SOA) amplify teeb meem teeb liab teeb liab los ntawm stimulated emission, thiab lawv mechanism yog tib yam li cov semiconductor lasers.SOA optical amplifiertsuas yog ib lub laser semiconductor yam tsis muaj kev tawm tswv yim, thiab nws cov tub ntxhais yog kom tau txais kev kho qhov muag los ntawm kev thim rov qab cov xov tooj ntawm cov khoom thaum lub semiconductor optical amplifier yog optically lossis hluav taws xob pumped.
Hom ntawmSOA Semiconductor Optical Amplifier
Raws li lub luag haujlwm ua los ntawm SOA hauv cov neeg siv khoom, lawv tuaj yeem muab faib ua plaub pawg: serial, booster, hloov SOA, thiab preamplifier.
1. Kev nkag ncaj qha: nce siab dua, nruab nrab Psat; Tsawg NF thiab qis PDG, feem ntau cuam tshuam nrog polarization ywj siab SOA ·
2. Enhancer: Siab dua Psat, qis nce, feem ntau yog nyob ntawm polarization;
3. Hloov: ntau dua kev ploj tuag thiab lub sijhawm nce / poob sai;
4. Pre amplifier: haum rau kev sib kis ntev dua, qis NF, thiab nce siab dua.
Qhov zoo ntawm SOA Semiconductor optical amplifier
Qhov kho qhov muag tau muab los ntawm SOA nyob rau hauv lub bandwidth yog ib qho kev ywj pheej ntawm lub wavelength ntawm qhov teeb meem kho qhov muag teeb liab.
Txhaj tam sim no raws li lub teeb liab amplified twj tso kua mis, es tsis yog optical pumping.
Vim nws qhov loj me me, SOA tuaj yeem ua ke nrog ntau lub waveguide photonic li ntawm ib qho kev npaj substrate.
4. Lawv siv tib lub tshuab li diode lasers.
SOA tuaj yeem ua haujlwm hauv kev sib txuas lus spectral bands ntawm 1300 nm thiab 1550 nm, nrog lub dav bandwidth (txog 100 nm).
6. Lawv tuaj yeem raug teeb tsa thiab sib koom ua ke los ua cov khoom siv preamplifiers ntawm qhov kawg ntawm qhov txais qhov muag.
SOA tuaj yeem siv los ua qhov yooj yim logic rooj vag hauv WDM optical networks.
Kev txwv ntawm SOA Semiconductor optical amplifier
SOA tuaj yeem muab cov khoom siv kho qhov muag pom txog li kaum tawm milliwatts (mW), uas feem ntau txaus rau kev ua haujlwm ib leeg hauv kev sib txuas lus fiber ntau. Txawm li cas los xij, WDM systems yuav xav tau txog li ob peb mW ntawm lub zog ib channel.
2. Vim yog kev sib txuas ntawm cov khoom siv kho qhov muag rau hauv thiab tawm ntawm SOA kev sib xyaw chips feem ntau ua rau lub teeb liab poob, SOA yuav tsum muab cov khoom siv kho qhov muag ntxiv kom txo tau qhov cuam tshuam ntawm qhov poob ntawm qhov kev tawm tswv yim / tso tawm ntawm thaj chaw nquag.
SOA yog qhov rhiab heev rau lub polarization ntawm input optical signals.
4. Lawv tsim cov suab nrov hauv cov xov xwm nquag tshaj li fiber ntau amplifiers.
Yog tias ntau qhov kev kho qhov muag tau nthuav dav raws li xav tau hauv WDM daim ntawv thov, SOA yuav ua rau muaj kev sib tham loj heev.
Post lub sij hawm: Feb-24-2025