Yenyunivhesiti yepeking yakaziva perovskite inoendereraLaser Sourcezvidiki pane 1 manhukwere micron
Izvo zvakakosha kuvaka iyo inoenderera mberi Laser sosi ine nzvimbo yekushandisa pasi pe1μm2 kusangana neyakaderera simba rekushandisa pane-chip Optical Interconnection (<10 FJ Bit-1). Nekudaro, sezvo saizi yemhando inoderera, kurasikirwa uye kwekurasikirwa uye kwekurasikirwa kwezvinhu zvinowedzera zvakanyanya, saka kuwana sub-micron mudziyo saizi uye kuenderera mberi kwekupomba kweLaser zvinyorwa zvine mwero zvakaoma zvakanyanya. Mumakore achangopfuura, mhizha perovskite zvinhu zvakagamuchira kutarisisa mumunda wekuenderera mberi kwepamhepo pumped lasers nekuda kweiyo yavo yepamusoro nguva yekuwana uye yakasarudzika inonakidza polariton. Iyo nzvimbo yekushandisa yePerovskite inoenderera Laser zvinyorwa zvakaburitswa kusvika kure kupfuura 10μm2, uye submicron laser inodhonzwa yechiedza chemagetsi esimba kukurudzira.
Mukupindura dambudziko iri, boka rekutsvagisa reZhang qing kubva kuchikoro cheSaiti Science Science Panguva imwecheteyo, iyo Photon inoratidzwa. Mashini emubatanidzwa wePolarton mu Submicron achienderera mberi pumped laped maitiro anonzwisiswa zvakanyanya, iyo inopa pfungwa nyowani yekuvandudzwa kwehukuru diki Mhedzisiro yeChidzidzo ichi, titival "inoenderera ichivhuvhuta pumpskite lasers ine mudziyo nzvimbo pazasi 1 μM2," ichangoburwa muzvinhu zvepamberi.
Mubasa iri, iyo Inorganic perovskite cspbbr3 single crystal pepa rakagadzirirwa pane sapphire substrate nemakemikari vapor position. Yakacherechedzwa kuti kusimba kwakasimba kwe perovskite zvibodzwa zvine madziro emadziro ecrocavity photos pamakamuri tembiricha yakakonzera kuumbwa kwechibvumirano chePolarimoni. Kuburikidza neyezvipupurudzo, zvakadai sepamhepo kune nonlinear kusimuka, kuyamwisa kuputika kwekushandurwa kwechidimbu Panguva imwecheteyo, yakawanikwa kuti chikumbaridzo cheiyo submicron laser inofananidzwa neiyo yeiyo yakakura-size laser sosi, uye inogona kunyange kuve yakaderera (nhamba 1).
Mufananidzo 1. Kuenderera mberi kwepamhepo pumped submicron cspbbr3laser mwenje tsime
Kupfuurirazve, iri basa rinoongorora zvese zviri zviviri uye zvoga, uye zvinoratidza maitiro emanyorero-polarized mafaro mukuzadzika kwe submicron anoenderera mberi laser zvinyorwa. Iyo yakakundwa photon-inonakidza muchikamu cheSubmicron Izvi zvakare zvinoguma ne perovskite submicron laser inobva ine yakakwira inoshanda microcavity mhando yechinhu uye iyo Narrower exwedth (Mufananidzo 2). Iyo Mechanism zvakare inopa ruzivo nyowani mukuvandudzwa kwediki-size, yakaderera-treshold lasers zvichienderana nezvimwe semicononductor zvinhu.
Mufananidzo 2. Mechanism yeSub-Micron Laser Source uchishandisa Excitonic Polarizons
Rwiyo Jiepe Zhang Qing uye Xiong Qihua, purofesa weFizitssi kuTsinghua University, ndivo vanyori vanowirirana. Basa racho rakatsigirwa neNational Natural Science yeChina uye Nheyo yeBeijing Science yevechidiki vane hunyanzvi.
Kutumira Nguva: Sep-12-2023