IYunivesithi yasePiking yaqonda ukuba i-perovskite iyaqhubekaumthombo we-laserincinci kune-1 ye-micron
Kubalulekile ukwakha i-laser eqhubekayo eqhubekayo kunye nendawo yefowuni engaphantsi kwe-1μm2 ukuba ihlangane imfuneko yokusetyenziswa kwamandla e-On-Chip ye-On-Chip ye-Chip (<10 FJ-1). Nangona kunjalo, ubungakanani besixhobo sincipha, ilahleko ye-Optical kunye neZixhobo zeZixhobo zonyuka kakhulu, ke ufezekisa ubungakanani be-Microron yesixhobo kunye nokupopu okuqhubekayo kwemithombo ye-laser kubaluleke kakhulu. Kwiminyaka yakutshanje, izixhobo ze-Perovskite ze-Perovskite zifumene ingqalelo ebanzi kwicandelo le-lasers eqhotyoshelweyo ngenxa yokufumana izinto eziphezulu ze-pelariton kunye ne-pelariton ye-pelarion. Indawo yefowuni ye-Perovskite Imithombo eqhubekayo ikhutshiweyo ukuza kuthi ga ngoku ihleli ingaphezulu kwe-10μm2, kunye nemithombo eseleyo ye-submimictroni yonke into efunwayo i-pump yoxinano lwamandla aphezulu ePump.
Ukuphendula lo mceli mngeni, iqela lophando le-Zhang qing ukusuka kwisikolo seSayensi yeZixhobo kunye nobunjineli beDyunivesithi ye-Perovskite ye-Trimickite ye-Trimicking i-pumeral yendawo eqhubekayo iphantsi njenge-0.65μm2. Kwangelo xesha, i-photon ityhiliwe. The mechanism of exciton polariton in submicron continuous optically pumped lasing process is deeply understood, which provides a new idea for the development of small size low threshold semiconductor lasers. Iziphumo zophando, ezinamashumi "I-Wave eqhubekayo i-Perovskite i-Perovskite I-Perovskite Inendawo eyi-1 μm2," epapashwa kwasekutshanje kwizinto eziphambili.
Kule msebenzi, i-Inorgain Perovskite Cspbbr3 Iphepha elinye le-crystal ilungiselelwe i-sapfire subrest nge-vimiclication vapor vapor. Kwaqwalaselwa ukuba i-coupling eyomeleleyo ye-perovskite ye-perovskite ene-microcavity yesandi ye-hinacvity ifoto kwiqondo lobushushu legumbi laphumela ekumiselweni kwe-polariton ye-polaric. Ngothotho lwezinto ezinobungqina, ezinje ngokuhambelana nobubanzi bokuphuma, ububanzi bendawo enobubanzi be-CSPORFORCHER kunye ne-SPUTOREARCHEY i-SPORDER ye-CRSPBER3 ye-crystal iqinisekisiwe, kwaye indawo yefowuni iphantsi iphantsi njengo-0.65μm2. Kwangelo xesha, kwafunyaniswa ukuba umbundu we-Subarmicron Leser ithelekiswa naleyo yomthombo we-laser enkulu, kwaye inokuthi iphantsi (umzobo 1).
Umzobo 1. Ukuqhubeka kwe-pumed cimimicrorol Cspbbr3Umthombo wokukhanya we-laser
Ngaphaya koko, lo msebenzi uphonononga zombini ukuzama kunye nethiyori, kwaye utyhile indlela ye-suritns ekuphumeleleni imithombo yase-pumagund. Ukuphuculwa kwe-Photon-Ceton-Cemoning kwi-surovskskites kukhokelela kunyuka okukhulu kwisalathiso se-8, esikwa esonyuka kakhulu i-mode ihlawule ilahleko yemozulu. Oku kukhokelela kwi-perovskite ye-perovcronter i-leser yomthombo kunye neyona nto iphambili ye-microcavity ye-microcavity kunye ne-emfutshane ye-enwidth (umfanekiso 2). Indlela yendlela ikwabonelela ngokuqonda ezintsha kuphuhliso lwesayizi encinci, umbungu osezantsi osekwe kwezinye izinto ze-semicondctor.
Umzobo 2. Indlela yokusebenzisa i-Micron yase-Micron Laser usebenzisa i-peritonic polarizons
Ingoma ye-joiepeng, umfundi we-Zhibo ovela esikolweni seSayensi yezixhobo kunye nobunjineli kwiYunivesithi yasePiking, ngumbhali wokuqala wephepha, kunye neYunivesithi yasePiking yicandelo lokuqala lephepha. Zhang qing kunye neXiong Qihua, uNjingalwazi weFishkos kwiYunivesithi yaseTtinghua, ngababhali abahambelanayo. Umsebenzi waxhaswa sisiseko seNzululwazi yeSizwe ye-China kunye neSiseko seSayensi seBeijing isiseko soonyana ababalaseleyo.
IXESHA LOKUQALA: USep-12 ukuya ku-52333333