Kawruh Profesional

Semikonduktor laser amplifier

2021-07-14
Ingamplifier laser semikonduktor(Semiconduktor Optical Amplifier, disingkat SOA) nduweni prinsip amplifikasi sing padha karo laser semikonduktor, lan uga nggunakake fenomena eksitasi transisi antarane tingkat energi kanggo amplifikasi optik. Kanggo nambah gain, wong wis dibusak growong resonansi sing dadi osilasi laser lan langsung bungah dening saiki kanggo entuk gain optik luwih saka 30dB (1000 kaping).
Ana telung jinis amplifier laser semikonduktor. Salah sijine yaiku nggunakake laser semikonduktor biasa minangka amplifier optik, sing diarani Fabry-Perot (F-P) semikonduktor laser amplifier (FPA); liyane kanggo jas loro pasuryan mburi film F-P laser Anti-refleksi diwenehi broadband, output dhuwur lan gangguan kurang. Jenis amplifier iki nggedhekake cahya sajrone lelungan cahya, mula diarani traveling wave optical amplifier (TWLA) lan uga ana amplifier kunci injeksi (IL-SOA), sing strukture padha karo F-P-SLA. Nanging bias ndhuwur ambang saiki. Yen cahya mode siji sing lemah disuntikake menyang amplifier iki, output mode siji daya dhuwur bakal dipikolehi.
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