Tsis ntev los no tau kawm los ntawm University of Science thiab Technology of Tuam Tshoj, University of Guangcan Technical Contrial Account of the Optical zaus zuag ntsis Zaus thiab rov ua dua cov zaus, thiab siv rau qhov ntsuas qhov ntsuas qhov tseeb, lub wavelength ntsuas qhov tau nce mus rau kiloherrz (Khz). Qhov kev tshawb pom tau luam tawm hauv kev sib txuas lus.
Soliton microcompbs raws li cov microcavities kho qhov muag tau txaus siab rau kev tshawb fawb zoo rau kev nyiam ua kom zoo nkauj thiab lub moos kho tshiab. Txawm li cas los xij, vim hais tias muaj kev cuam tshuam ntawm ib puag ncig thiab cov txiaj ntsig laser thiab cov kev ruaj ntseg ntxiv, cov kev ruaj ntseg ntawm cov tswv yim ntawm cov kev ua tiav ntawm lub teeb qis dua. Hauv kev ua haujlwm dhau los, cov kws tshawb fawb ruaj khov thiab tswj qhov kev hloov kho kho qhov muag los yog cov kev hloov pauv ntawm cov micrees remonance cov qauv hauv kev hloov kho me me hauv qhov microcavity hauv tib yam Lub sijhawm, tsis muaj peev xwm muaj peev xwm tswj hwm ntawm cov zaus thiab rov ua dua ntawm lub zuag. Qhov no txo qhov kev thov ntawm lub teeb qis-lub teeb nyob rau hauv cov qauv qhia ntawm precision spectroscopy, microwave photons, micringical ranging, thiab lwm yam.
Txhawm rau kom daws tau cov teeb meem no, cov kws tshawb fawb tshawb fawb txog lub cev tshiab ntawm lub sijhawm ntawm kev ywj pheej ntawm qhov nruab nrab zaus thiab cov nyiaj rov qab muaj dua ntawm lub sijhawm kho qhov muag. Los ntawm kev qhia ob qho sib txawv ntawm cov qauv micro-kab noj hniav dispersion txheej txheem ntawm cov kev tswjfwm sib txawv ntawm cov hniav sib txawv ntawm cov khoom sib txawv ntawm kev siv hluav taws xob sib txawv. Qhov no dispersion kev cai yog universal rau sib xyaw ua ke cov yees duab xws li silicon nitride thiab lithium niobate, uas tau kawm dav.
Cov pab neeg tshawb fawb uas siv lub nqus laser thiab cov pab laser uas sib txawv ntawm cov kev sib txawv ntawm cov hluav taws xob sib txawv thiab cov zaus ntawm zaus sib tshooj ua ntu zus. Based on the optical comb, the research team demonstrated fast, programmable regulation of arbitrary comb frequencies and applied it to the precision measurement of wave length, demonstrating a wavemeter with a measurement accuracy of the order of kilohertz and the ability to measure multiple wavelengths simultaneously. Piv nrog cov txiaj ntsig dhau los, ntsuas qhov tseeb tau ua tiav los ntawm pab pawg tshawb fawb tau mus txog peb xaj ntawm kev txhim kho ntau.
Lub Reconfigurable Soliton microcombs ua kom muaj nyob rau hauv kev ntsuas qhov tsis tshua muaj nuj nqis, uas yuav tau siv cov kev ntsuas qis dua, uas yuav siv lub moos kho kho qhov muag, lub moos kho qhov muag, spectroscopy thiab kev sib txuas lus.
Lub Sijhawm Post: Sep-26-2023