Zida zazing'ono komanso ma lasers ogwira mtima kwambiri

Zida zazing'ono komanso zogwira mtimalasers
Ofufuza a Rensselaer Polytechnic Institute apanga achipangizo cha laserUmenewo ndi m'lifupi mwa tsitsi la munthu, zomwe zingathandize akatswiri a sayansi ya zakuthambo kuti aphunzire zofunikira za zinthu ndi kuwala. Ntchito yawo, yofalitsidwa m'magazini otchuka asayansi, ingathandizenso kupanga ma lasers ogwira mtima kuti agwiritsidwe ntchito m'madera kuyambira zamankhwala mpaka kupanga.

ThelaserChipangizocho chimapangidwa ndi chinthu chapadera chotchedwa photonic topological insulator. Photonic topological insulators amatha kutsogolera ma photon (mafunde ndi tinthu tating'onoting'ono tomwe timapanga kuwala) kudzera m'malo apadera mkati mwa zinthuzo, ndikulepheretsa kuti tizidutswa tating'ono ting'ono ting'ono ting'onoting'ono. Chifukwa cha zinthu izi, ma insulators a topological amathandiza ma photon ambiri kugwirira ntchito limodzi lonse. Zipangizozi zitha kugwiritsidwanso ntchito ngati topological "quantum simulators," kulola ofufuza kuti aphunzire kuchuluka kwa zochitika - malamulo achilengedwe omwe amalamulira zinthu pamiyeso yaying'ono kwambiri - mu mini-labs.
“Thephotonic topologicalinsulator yomwe tidapanga ndi yapadera. Zimagwira ntchito kutentha. Ichi ndi chopambana chachikulu. M'mbuyomu, maphunziro otere amatha kuchitidwa pogwiritsa ntchito zida zazikulu, zokwera mtengo kuziziritsa zinthu mu vacuum. LABS yambiri yofufuza ilibe zida zamtunduwu, chifukwa chake chida chathu chimathandiza anthu ambiri kuchita kafukufuku wofunikira wasayansi mu labu, "atero pulofesa wothandizira wa Rensselaer Polytechnic Institute (RPI) mu dipatimenti ya Materials Science and Engineering komanso wamkulu. wolemba maphunziro. Kafukufukuyu anali ndi kachitsanzo kakang'ono, koma zotsatira zake zikusonyeza kuti mankhwala atsopanowa asonyeza mphamvu kwambiri pochiza matenda osowa kwambiri a majini. Tikuyembekezera kutsimikiziranso zotsatira izi m'mayesero azachipatala amtsogolo komanso zomwe zingapangitse njira zatsopano zothandizira odwala omwe ali ndi matendawa. " Ngakhale kukula kwachitsanzo kwa kafukufukuyu kunali kochepa, zomwe zapeza zikusonyeza kuti mankhwalawa awonetsa mphamvu zambiri pochiza matenda osowa majini. Tikuyembekezera kutsimikiziranso zotsatira izi m'mayesero azachipatala amtsogolo komanso zomwe zingapangitse njira zatsopano zothandizira odwala omwe ali ndi matendawa. "
"Ichinso ndi sitepe yaikulu pa chitukuko cha lasers chifukwa chipinda chathu cha kutentha kwa chipinda (kuchuluka kwa mphamvu zomwe zimafunikira kuti zitheke) ndizochepa kasanu ndi kawiri kuposa zipangizo zam'mbuyo za cryogenic," ofufuzawo anawonjezera. Ofufuza a Rensselaer Polytechnic Institute adagwiritsa ntchito njira yomweyi yomwe imagwiritsidwa ntchito ndi makampani opanga ma semiconductor kupanga ma microchips kuti apange chipangizo chawo chatsopano, chomwe chimaphatikizapo kuyika mitundu yosiyanasiyana ya zinthu zosanjikiza ndi wosanjikiza, kuchokera ku atomiki mpaka mulingo wa mamolekyulu, kuti apange zomanga zabwino zokhala ndi zinthu zinazake.
Kuti akonzechipangizo cha lasers, ofufuzawo anakulitsa mbale zoonda kwambiri za selenide halide (kristalo wopangidwa ndi cesium, lead ndi klorini) ndikuziikapo ma polima. Anayika mbale za kristalo ndi ma polima pakati pa zinthu zosiyanasiyana za okusayidi, zomwe zinapangitsa kuti pakhale chinthu chokhala ndi ma microns 2 okhuthala ndi ma microns 100 m'litali ndi m'lifupi (pafupifupi tsitsi la munthu ndi 100 microns).
Ofufuzawo atawunikira laser pa chipangizo cha lasers, mawonekedwe owoneka bwino a katatu adawonekera pamawonekedwe azinthu. Chitsanzocho chimatsimikiziridwa ndi kapangidwe ka chipangizocho ndipo ndi zotsatira za mawonekedwe a topological a laser. "Kutha kuphunzira kuchuluka kwa zochitika pa kutentha kwa chipinda ndi chiyembekezo chosangalatsa. Ntchito yaukadaulo ya Pulofesa Bao ikuwonetsa kuti uinjiniya wazinthu ukhoza kutithandiza kuyankha mafunso akulu akulu asayansi. ” Dean wa engineering wa Rensselaer Polytechnic Institute adatero.