Yakatetepa Firimu Lithium Niobate (LN) Photodetector

Yakatetepa Firimu Lithium Niobate (LN) Photodetector

Lithium niobate (Ln) ine yakasarudzika crystal chimiro uye yakapfuma mijenya, senge nonlinear mhedzisiro, electro-optic mhedzisiro, uye pyroelectric mhedzisiro, uye pyazoelectric mhedzisiro. Panguva imwecheteyo, ine zvakanakira one Lideband Optical Transparcy Window uye kusimba kwenguva refu. Aya maitiro anoita ln chiyero chakakosha chechizvarwa chitsva chekubatanidzwa photonics. Mumidziyo yeOptocal uye Optoelectronic Systems, hunhu hweLN hunogona kumutsa mabasa mazhinji uye kuita, kusimudzira kukura kwekutaurirana kwekutaurirana, kupomhodza, uye minda yekunzwa yemitambo. Nekudaro, nekuda kwekushaiwa kushaya simba uye insulation zvivakwa zve lithium niobate, iyo application application yeLithium Niobate ichiri kutarisana nedambudziko rekuonekwa. Mumakore achangopfuura, mishumo iri mundima iyi inonyanya kusanganisira waveguide yakabatanidzwa fotodetectors uye heterojunction photodetectors.
Iyo waveguide yakabatanidzwa Photodetector yakavakirwa paLithium Niobate inowanzo kutaurwa pane iyo Optical kutaurirana C-Band (1525-1565nm). Panyaya yebasa, LN inonyanya kuita basa revashandiswe, nepo OptoelectFIC yekuona basa zvakanyanya Mukuvaka kwakadaro, mwenje unoputirwa neLithium Niokate Optical Wasgudes Izvo zvakanakira zvakakwirira zvekushandisa bandwidth (~ ghz), yakaderera yekushandisa voltage, saizi diki, uye kuenderana ne photonic chip yekubatanidza. Nekudaro, nekuda kwekuparadzaniswa kweLithium nidhium uye semiconductor zvinhu, kunyangwe ivo mumwe nemumwe vachiita basa ravo, ln zvinongoita basa rekutungamira uye zvimwe zvinhu zvakanaka zvekunze hazvina kunyatsoshandiswa. Semiconductor zvinhu zvinongotamba chikamu muThevelectric kutendeuka uye kushomeka kuenderana nekubatana pamwe chete, zvichikonzera bhendi risina kushanda. Panyaya yekuita kwakananga, kuwirirana kwechiedza kubva kuchiedza sosi kune iyo lithium niobate Optical waveguide inoguma nekurasikirwa kwakasimba uye maitiro akasimba. Uye zvakare, iyo chaiyo isarudzo yemagetsi yechiedza yakadziya paSemiconductor Chishandiso Channel munzvimbo yekudyara inzvimbo yakaoma kuoma, iyo inogumira kuita kwayo.
TsikaPhotodetectorsInoshandiswa pakufungidzira mafungiro anowanzoenderana nezvinhu zveMicononductor zvinhu. Naizvozvo, kune Lithium niobate, yayo yakaderera mwenje yekunyora mwero uye kuzvidza zvivakwa zvinoita kuti zvisati zvaitika zvisina kufarirwa nevanotsvaga PhotoDetector vanoongorora, uye kunyange chiitiko chakaoma mumunda. Nekudaro, kukura kwehunyanzvi hweHeterojunction mumakore achangopfuura kwakaunza tariro kune iyo yekutsvaga lithium niobate yakavakirwa mapikicha. Zvimwe zvinoshandiswa nemwenje wakasimba wekunyora kana kufambidzana kwakanaka kunogona kuve kwakanyanyisa kubatanidzwa neLithium Niobate kuti utsunure zvikanganiso zvacho. Panguva imwecheteyo, iyo polization yakasarudzika yakamhan'arira yePyroelectric maitiro eLithium Niokotropy inokwanisa kudzorwa nekupisa pasi pechiRradiation, nekuchinjisa maitiro ePyroelectric eOptoelectronic Kuonekwa. Izvi zvinogadziriswa zvinogadzirisa zvine zvakanakira zve oneyband uye kuzvidzora, uye zvinogona kunyatsoenderana uye kushungurudzwa nezvimwe zvinhu. Iyo Synchronous yekushandiswa kweiyo Thermal uye Photolectric mhedzisiro yakavhura nguva itsva yeLithium Niolhium Stiebate Yakavakirwa Mapikicha Uye kugadzira zvikanganiso uye uwane kuwirirana kwekubatana kwezvakanakira, iri hotspot mumakore apfuura. Uye zvakare, kushandiswa kwekuti ion kuisirwa, bhendi engineering, uye kururamisa Injiniya zvakare sarudzo yakanaka yekugadzirisa kuoma kwekuona lithium niobate. Nekudaro, nekuda kwekutanga kwekugadzirisa kweLithium niobate, munda uyu uchiri kutarisana nematambudziko makuru sekubatana, kurongedza zvishandiso uye masisitimu, uye kuita kwakakwana, iyo ine huwandu hwakanyanya hwekutsvagisa uye nzvimbo.

Mufananidzo 1, uchishandisa gadziriro gadziriro yenyika mukati me ln band bandgap sezvo elektron desor Centers, mahara ekutakura zvinhu zvinogadzirwa mubhokisi rekuita pasi pechiitiko chinooneka. Tichienzaniswa nePyroelectric ln fotodetectors, iyo yaiwanzove yakaganhurirwa nemhinduro yekumhanyisa kwe100Hz, izviLn phomdedectorine nekukurumidza kupindura kwekumhanyisa kusvika ku 10khz. Zvichakadaro, mune iri basa, rakaratidzwa kuti Magnesium ION DEPPED LN inogona kuwana yekunze kujairana nechiedza nemhinduro inosvika ku 10khz. Iri basa rinosimudzira kutsvagisa pane zvakakwirira-kuita uyeyakakwira-kumhanya ln photodetectorsMukuvakwa kwekushanda zvakakwana single-chip kubatanidzwa ln photonic machipisi.
Mukupfupikisa, munda wekutsvagira weYakatetepa firimu rebitio byhibate photodetectorsine kukosha kwakakosha kwesainzi kukosha uye kukurukurira zvinoshanda zvinoshanda zvinoshandiswa. Mune ramangwana, nekuvandudzwa kwehunyanzvi uye nekudzokorora kwekutsvagisa, fliti yakatetepa yefirimu (ln) Photodecetors ichaita zvakakwirira kuunganidzwa. Kusanganisa nzira dzakasiyana dzekubatanidza kuti uwane upfukumwe-kuita, nekukurumidza kupindira fliyamu Chizvarwa chitsva cheForonics Zvikumbiro.