Ubude bamagagasi amaningiumthombo wokukhanyaeshidini eliyisicaba
Ama-chip optical ayindlela engenakugwenywa yokuqhubeka noMthetho kaMoore, uye waba yisivumelwano sezemfundo kanye nemboni, angaxazulula ngempumelelo izinkinga zesivinini kanye nokusetshenziswa kwamandla ezibhekene nama-chip kagesi, kulindeleke ukuthi aguqule ikusasa lekhompyutha ehlakaniphile kanye nesivinini esikhulu kakhulu.ukuxhumana okubonakalayoEminyakeni yamuva nje, intuthuko ebalulekile kwezobuchwepheshe kuma-photonics asekelwe ku-silicon igxile ekuthuthukisweni kwama-combs e-frequency optical frequency e-microcavity soliton optical level, angakhiqiza ama-frequency combs ahlukaniswe ngokulinganayo ngokusebenzisa ama-microcavities e-optical. Ngenxa yezinzuzo zawo zokuhlanganiswa okuphezulu, i-wide spectrum kanye ne-high repetition frequency, umthombo wokukhanya we-microcavity soliton osezingeni le-chip unezinhlelo zokusebenza ezingaba khona ekuxhumaneni okukhulu, i-spectroscopy,ama-photonic e-microwave, ukulinganisa ngokunemba kanye nezinye izinkambu. Ngokuvamile, ukusebenza kahle kokuguqulwa kwe-microcavity single soliton optical frequency comb kuvame ukulinganiselwa yimingcele efanele ye-optical microcavity. Ngaphansi kwamandla athile ephampu, amandla okukhipha e-microcavity single soliton optical frequency comb avame ukulinganiselwa. Ukwethulwa kohlelo lokukhulisa i-optical lwangaphandle kuzothinta ngokungenakugwenywa isilinganiso sesignali-kuya-kumsindo. Ngakho-ke, iphrofayili ye-spectral eyisicaba ye-microcavity soliton optical frequency comb isibe yinto efunwa yile nsimu.
Muva nje, ithimba locwaningo eSingapore lenze intuthuko ebalulekile emkhakheni wemithombo yokukhanya ye-multi-wavelength kumashidi ayisicaba. Ithimba locwaningo lakha i-optical microcavity chip ene-flat, broad spectrum kanye ne-off-zero dispersion, futhi lapakisha ngempumelelo i-optical chip nge-edge coupling (ukulahlekelwa kwe-coupling okungaphansi kwe-1 dB). Ngokusekelwe ku-optical microcavity chip, umphumela onamandla we-thermo-optical ku-optical microcavity unqotshwa uhlelo lobuchwepheshe lokupompa kabili, futhi umthombo wokukhanya we-multi-wavelength onomphumela we-flat spectral uyabonakala. Ngohlelo lokulawula impendulo, uhlelo lomthombo we-multi-wavelength soliton lungasebenza ngokuzinzile isikhathi esingaphezu kwamahora ayi-8.
Ukukhishwa kwe-spectral komthombo wokukhanya cishe kuyi-trapezoidal, izinga lokuphindaphinda lingaba ngu-190 GHz, i-flat spectrum ihlanganisa i-1470-1670 nm, i-flatness icishe ibe ngu-2.2 dBm (ukuphambuka okujwayelekile), kanti ububanzi be-flat spectral buthatha u-70% wobubanzi bonke be-spectral, buhlanganisa ibhendi ye-S+C+L+U. Imiphumela yocwaningo ingasetshenziswa ekuxhumekeni kwe-optical okunamandla aphezulu kanye nobukhulu obuphezulu.ukukhanyaizinhlelo zokubala. Isibonelo, ohlelweni lokubonisa ukuxhumana olunamandla amakhulu olusekelwe emthonjeni we-microcavity soliton comb, iqembu le-frequency comb elinomehluko omkhulu wamandla libhekene nenkinga ye-SNR ephansi, kuyilapho umthombo we-soliton onomphumela we-flat spectral unganqoba ngempumelelo le nkinga futhi usize ekuthuthukiseni i-SNR ekucutshungulweni kolwazi lwe-optical oluhambisanayo, olunokubaluleka okubalulekile kobunjiniyela.
Lo msebenzi, onesihloko esithi “Flat soliton microcomb source,” wanyatheliswa njengephepha eliyikhava ku-Opto-Electronic Science njengengxenye yodaba lwe-“Digital and Intelligent Optics”.
Isithombe 1. Uhlelo lokuthola umthombo wokukhanya onamagagasi amaningi kupuleti eliyisicaba
Isikhathi sokuthunyelwe: Disemba-09-2024