Kev Ua Tau Zoo Electro-Optic Modulator:Nyias Zaj Duab Xis Lithium Niobate Modulator
Lub electro-kho qhov muag (EOM Modulator) yog tus modulator tau ua siv cov nyhuv hluav taws xob tawm ntawm qee qhov chaw tsim hluav taws xob hluav taws xob, uas tuaj yeem hloov cov teeb tsa hluav taws xob siab rau hauv cov cim hluav taws xob. Thaum lub tshuab hluav taws xob electrostal tau raug rau ib qho kev ntsuas hluav taws xob ntawm lub cav hluav taws xob ntawm lub ntsej muag sib txuas, thiab kho cov teeb meem hluav taws xob nrawm nrawm rau hauv kev sib txuas lus hauv lub teeb liab mus rau hauv lub teeb liab kho tshiab los ntawm kev hloov kho.
Tam sim no, muaj peb hom tseem ceeb ntawmElectro-Optic ModulatorsNtawm kev ua lag luam: Silicon-based modulators, indium phosphide modulators thiab nyias zaj duab xisLithium Niobate ModulatorCov. Ntawm lawv, silicon tsis muaj cov khoom siv hluav taws xob ncaj qha, tsuas yog tsim nyog rau kev sib txuas lus luv luv, tab sis kev sib xyaw ua ke muaj kev sib txuas lus hauv nruab nrab, tus nqi qis dua, daim ntawv thov yuav raug cov kev txwv. Hauv kev sib piv, lithium niobate crystal tsis yog tsuas yog nplua nuj nyob rau hauv cov nyhuv photholeSrric, cov khoom siv dag zog, cov khoom siv hluav taws xob muaj txiaj ntsig, cov khoom siv hluav taws xob tau sib npaug los ntawm cov khoom siv ua kom zoo nkauj thiab cov khoom siv hluav taws xob muaj txiaj ntsig, cov khoom siv hluav taws xob muaj zog, cov khoom siv hluav taws xob tau sib npaug Kev tswj hwm lub xeev, thiab lwm yam. Ua tau cov txheej txheem sib txig sib txawv Cov nyhuv), ib qho zoo extinthtion piv (qhov nruab nrab fais fab sib npaug ntawm lub teeb liab "ntawm" lub xeev rau nws "OFF" xeev. Ib qho ntxiv, lub tshuab ua haujlwm ntawm cov duab yees duab nyias zoo li cov teeb meem hluav taws xob tsis sib xws Tau siv tau. Raws li cov saum toj no, lithium niobate tau dhau los ua kev xaiv zoo tshaj plaws, thiab tuaj yeem ua tiav cov chaw sib txuas lus ntau tshaj plaws ntawm ntau tshaj 100 km.
Lithium niobate raws li cov khoom siv subversive ntawm "kev hloov pauv ntawm lub dav hlau muaj ntau yam los ntawm cov khoom sib txawv thiab cov khoom siv tsis zoo me me (txog 0.02), lub cuab yeej loj yog qhov loj. Nws yog qhov nyuaj kom tau raws li qhov xav tau ntawm miniaturization thiab kev sib xyaw ua ke ntawmCov khoom siv kho muag khoom, thiab nws txoj kab ntau lawm tseem txawv ntawm cov txheej txheem microelectronics tiag tiag yog ib qho kev txhim kho siab rau lithium niobate siv nyob rau hauv electro-optical modulators.
Lub Sijhawm Post: Kaum-24-2024