Naqshadeynta waddo indhaha ah oo leydi ahlaysarka garaaca leh
Dulmar guud oo ku saabsan naqshadaynta waddada indhaha
Laser fiilada laba-waji leh oo kala firdhisan oo soliton ah oo ku salaysan qaab-dhismeed muraayad giraan ah oo aan toosnayn oo fiber ah.
2. Sharaxaadda waddada indhaha
Soliton-ka laba-waji leh ee kala-baxa ee thulium-ku-darka lehlaysarka fiber-kawaxay qaadataa naqshad qaab-dhismeed godad ah oo qaabaysan "8″" (Jaantuska 1).
Qaybta bidix waa wareegga ugu weyn ee hal-dhinac ah, halka qaybta midig ay tahay qaab-dhismeedka muraayadda fiber optic-ka ee aan toosnayn. Wareegga bidix ee hal-dhinac ah waxaa ku jira kala-qaybiye xirmo ah, fiber optic ah oo thulium-doped ah oo 2.7m ah (SM-TDF-10P130-HE), iyo isku-xidhka fiber optic-ka ee 2 μm oo leh isku-xidhka isku-xidhka oo ah 90:10. Hal Isolator oo ku xiran kala-soocidda (PDI), laba Xakamaynta Kala-soocidda Kala-soocidda (Kontaroolayaasha Kala-soocidda: PC), Fiber-dayactir Kala-soocidda Kala-soocidda 0.41m (PMF). Qaab-dhismeedka muraayadda giraanta fiber optic-ka ee aan tooska ahayn ee ku taal dhinaca midig waxaa lagu gaaraa iyadoo la isku xidho iftiinka ka imanaya wareegga bidix ee hal-dhinac ah ilaa muraayadda giraanta fiber optic-ka ee aan tooska ahayn ee dhinaca midig iyada oo loo marayo isku-xidhka indhaha ee qaab-dhismeedka 2×2 oo leh isku-xidhka 90:10. Qaab-dhismeedka muraayadda giraanta fiber optic-ka ee aan tooska ahayn ee dhinaca midig waxaa ku jira fiber optic ah oo dhererkiisu yahay 75-mitir (SMF-28e) iyo kontaroole kala-soocidda. Fiber optic oo hal-dhinac ah oo 75-mitir ah ayaa loo isticmaalaa in lagu xoojiyo saameynta aan tooska ahayn. Halkan, isku xidhka fiber-ka indhaha ee 90:10 ayaa loo adeegsadaa si loo kordhiyo farqiga wejiga aan tooska ahayn ee u dhexeeya faafinta saacadda iyo ka soo horjeedka saacadda. Dhererka guud ee qaab-dhismeedkan laba-hirarka ah waa 89.5 mitir. Qalabkan tijaabada ah, iftiinka bamka ayaa marka hore dhex mara isku-darka alwaax si uu u gaaro fiber-ka indhaha ee thulium-ku-saleysan ee dhexdhexaadka ah. Ka dib fiber-ka indhaha ee thulium-ku-saleysan, isku xidhka 90:10 ayaa lagu xiraa si uu u wareego 90% tamarta gudaha godka oo uu u diro 10% tamarta godka. Isla mar ahaantaana, shaandhada Lyot ee birefringent waxay ka kooban tahay fiber-ka indhaha ee ilaaliya polarization-ka oo ku yaal laba kontaroole oo polarization ah iyo polarizer, kaas oo door ka ciyaara shaandhaynta hirarka muuqaalka.
3. Aqoonta asalka ah
Waqtigan xaadirka ah, waxaa jira laba hab oo aasaasi ah oo lagu kordhinayo tamarta garaaca ee laysarka garaaca. Hal hab ayaa ah in si toos ah loo yareeyo saameynta aan tooska ahayn, oo ay ku jiraan hoos u dhigista awoodda ugu sarreysa ee garaaca iyada oo loo marayo habab kala duwan, sida isticmaalka maaraynta kala firdhinta garaaca fidsan, oscillators-ka waaweyn ee qaylinaya, iyo laysarka garaaca iftiinka kala qaybiya, iwm. Hab kale ayaa ah in la raadiyo farsamooyin cusub oo u dulqaadan kara ururinta marxalado badan oo aan toosnayn, sida isku-ekaanshaha iyo garaaca leydiga ah. Habka kor ku xusan wuxuu si guul leh u xoojin karaa tamarta garaaca eelaysarka garaaca lehilaa tobanaan nanojoules. Resonance soliton dissipative (Dissipative soliton resonance: DSR) waa farsamo sameysan kacsi leydi ah oo uu markii ugu horreysay soo jeediyay N. Akhmediev et al. sanadkii 2008. Astaamaha garaaca dhawaaqa soliton dissipative ayaa ah, iyadoo la ilaalinayo heerka joogtada ah ee mugga, ballaca garaaca iyo tamarta garaaca leydi ee aan kala go 'lahayn ee kala go'a ayaa si isku mid ah u kordha iyadoo la kordhinayo awoodda bamka. Tani, ilaa xad, waxay jebisaa xaddidaadda aragtida dhaqameed ee soliton ee tamarta hal-garaaca. Resonance soliton dissipative waxaa lagu gaari karaa iyadoo la dhisayo nuugista buuxa iyo nuugista buuxa ee dib u celinta, sida saamaynta wareegga polarization-ka aan tooska ahayn (NPR) iyo saamaynta muraayadda giraanta fiilada aan tooska ahayn (NOLM). Warbixinnada badankood ee ku saabsan soo saarista garaaca dhawaaqa soliton dissipative waxay ku salaysan yihiin labadan farsamo ee qufulka qaabka.
Waqtiga boostada: Oktoobar-09-2025