Ana samun ikon sarrafa electro-optic ta hanyar rubutu na femtosecond laser da kuma daidaitawar lu'ulu'u mai ruwa

Rarraba wutar lantarki ta hanyar amfani da na'urar hangen nesa (Electro-optic)Ana samun iko ta hanyar rubutun laser na fentosecond da kuma daidaitawar lu'ulu'u mai ruwa

Masu bincike a Jamus sun ƙirƙiro sabuwar hanyar sarrafa siginar gani ta hanyar haɗa rubutun laser na femtosecond da kuma lu'ulu'u mai ruwadaidaitawar lantarkiTa hanyar saka layin lu'ulu'u na ruwa a cikin jagorar waveguide, an gano ikon sarrafa yanayin polarization na hasken lantarki. Fasahar ta buɗe sabbin damammaki gaba ɗaya ga na'urori masu tushen guntu da kuma da'irorin photonic masu rikitarwa da aka yi ta amfani da fasahar rubutu ta femtosecond laser. Ƙungiyar binciken ta yi cikakken bayani game da yadda suka yi faranti masu iya canzawa a cikin jagororin waveguide na silicon da aka haɗa. Lokacin da aka yi amfani da ƙarfin lantarki ga lu'ulu'u na ruwa, ƙwayoyin lu'ulu'u na ruwa suna juyawa, wanda ke canza yanayin polarization na hasken da aka watsa a cikin jagorar waveguide. A cikin gwaje-gwajen da aka gudanar, masu binciken sun yi nasarar daidaita polarization na haske a tsayin tsayi biyu daban-daban da ake iya gani (Hoto na 1).

Haɗa manyan fasahohi guda biyu don cimma ci gaba mai ɗorewa a cikin na'urori masu haɗakar photonic na 3D
Ikon laser na femtosecond don rubuta jagororin raƙuman ruwa daidai a cikin kayan, maimakon kawai a saman, ya sa su zama fasaha mai ban sha'awa don haɓaka adadin jagororin raƙuman ruwa akan guntu ɗaya. Fasaha tana aiki ta hanyar mai da hankali kan hasken laser mai ƙarfi a cikin kayan haske. Lokacin da ƙarfin haske ya kai wani mataki, hasken yana canza halayen kayan a lokacin da ake amfani da shi, kamar alkalami mai daidaiton micron.
Ƙungiyar binciken ta haɗa dabarun photon guda biyu na asali don saka wani Layer na lu'ulu'u na ruwa a cikin jagorar wave. Yayin da hasken ke tafiya ta cikin jagorar wave da kuma ta cikin lu'ulu'u na ruwa, matakin da polarization na hasken yana canzawa da zarar an yi amfani da filin lantarki. Daga baya, hasken da aka daidaita zai ci gaba da yaduwa ta cikin ɓangare na biyu na jagorar wave, don haka cimma watsa siginar gani tare da halayen daidaitawa. Wannan fasahar haɗakarwa ta haɗa fasahohin biyu tana ba da damar fa'idodin duka biyun a cikin na'ura ɗaya: a gefe guda, yawan haske da tasirin jagorar wave ya haifar, kuma a gefe guda, babban daidaitawa na lu'ulu'u na ruwa. Wannan binciken ya buɗe sabbin hanyoyi don amfani da kaddarorin lu'ulu'u na ruwa don saka jagororin wave a cikin jimlar girman na'urori kamar yaddamasu daidaitadonna'urorin photonic.

Hoto na 1: Masu binciken sun saka yadudduka na lu'ulu'u masu ruwa a cikin jagororin raƙuman ruwa waɗanda aka ƙirƙira ta hanyar rubutun laser kai tsaye, kuma ana iya amfani da na'urar haɗakar da ta samo asali don canza rarrabuwar haske da ke ratsa jagororin raƙuman ruwa.

Amfani da fa'idodin lu'ulu'u mai ruwa a cikin tsarin jagorar laser na femtosecond
Duk da cewadaidaitawar ganiA baya, a cikin femtosecond laser rubutvik, an riga an cimma nasarar amfani da dumama na gida ga jagororin raƙuman ruwa, a cikin wannan binciken, ana sarrafa polarization kai tsaye ta amfani da lu'ulu'u na ruwa. "Hanyarmu tana da fa'idodi da yawa: ƙarancin amfani da wutar lantarki, ikon sarrafa jagororin raƙuman ruwa daban-daban daban-daban, da rage tsangwama tsakanin jagororin raƙuman ruwa da ke kusa," in ji masu binciken. Don gwada ingancin na'urar, ƙungiyar ta saka laser a cikin jagorar raƙuman ruwa kuma ta daidaita hasken ta hanyar canza ƙarfin wutar lantarki da aka yi amfani da shi a cikin layin lu'ulu'u na ruwa. Canje-canjen polarization da aka lura a wurin fitarwa sun yi daidai da tsammanin ka'idoji. Masu binciken sun kuma gano cewa bayan an haɗa lu'ulu'u na ruwa tare da jagorar raƙuman ruwa, halayen daidaitawa na lu'ulu'u na ruwa ba su canza ba. Masu binciken sun jaddada cewa binciken kawai hujja ce ta ra'ayi, don haka har yanzu akwai aiki da yawa da za a yi kafin a iya amfani da fasahar a aikace. Misali, na'urorin yanzu suna daidaita duk jagororin raƙuman ruwa ta hanya ɗaya, don haka ƙungiyar tana aiki don cimma ikon sarrafa kowane jagorar raƙuman ruwa daban-daban.