Ingufu za LNOI (LiNbO3 kuri Insulator) za santimetero 8 zo gukoresha modulators z'amajwi, imiyoboro y'amashanyarazi ...
Ishusho irambuye
Intangiriro
Udupira twa Lithium Niobate on Insulator (LNOI) ni ibikoresho bigezweho bikoreshwa mu buryo butandukanye bugezweho bw'ikoranabuhanga n'ikoranabuhanga. Utu dupira twakozwe hifashishijwe uburyo bwo kohereza agace gato ka lithium niobate (LiNbO₃) ku gikoresho gikingira ubushyuhe, akenshi silicon cyangwa ikindi gikoresho gikwiye, hakoreshejwe uburyo bugezweho nko gushyiramo ion no guhuza wafer. Ikoranabuhanga rya LNOI risangiye byinshi bisa na Silicon on Insulator (SOI) wafer technology ariko rikoresha imiterere yihariye ya lithium niobate, ibikoresho bizwiho imiterere ya piezoelectric, pyroelectric, na nonlinear optical.
Udupira twa LNOI twakunzwe cyane mu nzego nka optique integrated, itumanaho, na quantum computing bitewe n'imikorere yatwo ihebuje mu gukoresha frequency nyinshi no kwihuta cyane. Udupira twakozwe hakoreshejwe uburyo bwa "Smart-cut", butuma dushobora kugenzura neza ubugari bwa filime nto ya lithium niobate, bigatuma utwo dupira twujuje ibisabwa mu gukoresha ibintu bitandukanye.
Ihame
Uburyo bwo gukora LNOI wafers butangirira kuri crystal ya lithium niobate nyinshi. Kristale ishyirwamo iyoni, aho iyoni za helium zifite ingufu nyinshi zishyirwa ku buso bwa crystal ya lithium niobate. Izi iyoni zinjira muri kristale ku bujyakuzimu bwihariye zikabangamira imiterere ya kristale, bigatuma habaho plane yoroshye ishobora gukoreshwa mu gutandukanya kristale mo ibice bito. Ingufu zihariye za iyoni za helium zigenzura uburebure bw'ishyirwamo, ibyo bikaba bigira ingaruka ku bugari bw'urwego rwa nyuma rwa lithium niobate.
Nyuma yo gutera iyoni, kristu ya lithiamu niobate ifatwa ku gice cy’ubutaka hakoreshejwe uburyo bwitwa wafer bonding. Ubusanzwe uburyo bwo gutera iyoni bukoresha uburyo bwo guhuza butaziguye, aho ubuso bubiri (kristu ya lithiamu niobate yatewe na iyoni na substrate) bikandagirwa hamwe munsi y’ubushyuhe bwinshi n’igitutu kugira ngo bigire isano ikomeye. Hari igihe ibikoresho byo gufata nka benzocyclobutene (BCB) bishobora gukoreshwa mu gushyigikira byimbitse.
Nyuma yo gufatana, wafer ikorerwa igikorwa cyo guteranya kugira ngo isane ibyangiritse byose byatewe no guteranya iyoni no kongera ubufatanye hagati y’ibice. Igikorwa cyo guteranya gifasha kandi urwego rworoshye rwa lithium niobate kuva kuri kristu y’umwimerere, bigasiga urwego rworoshye kandi rwiza rwa lithium niobate rushobora gukoreshwa mu gukora ibikoresho.
Ibisobanuro
Udupira twa LNOI turangwa n'ibipimo byinshi by'ingenzi byemeza ko dukwiriye gukoreshwa mu buryo bworoshye. Muri byo harimo:
Ibisobanuro by'ibikoreshoEse?
| Ese?IbikoreshoEse? | Ese?IbisobanuroEse? |
| Ibikoresho | Ihuye: LiNbO3 |
| Ubwiza bw'ibikoresho | Udupira cyangwa ibintu bikubiyemo <100μm |
| Icyerekezo | Ingano ya Y ± 0.2° |
| Ubucucike | 4.65 g/cm³ |
| Ubushyuhe bwa Curie | 1142 ±1°C |
| Gukorera mu mucyo | >95% mu ntera ya 450-700 nm (ubugari bwa mm 10) |
Ibisobanuro by'ingandaEse?
| Ese?IgipimoEse? | Ese?IbisobanuroEse? |
| Ingano | 150 mm ± 0.2 mm |
| Ubunini | 350 μm ± 10 μm |
| Ubugari | <1.3 μm |
| Ihindagurika ry'Ubunini Rusange (TTV) | Ifuro rigufi <70 μm @ 150 mm wafer |
| Ihindagurika ry'Ubunini bw'aho uherereye (LTV) | <70 μm @ wafer ya mm 150 |
| Ubukana | Rq ≤0.5 nm (Agaciro ka AFM RMS) |
| Ubwiza bw'ubuso | 40-20 |
| Uduce (Tudakurwaho) | Uduce 100-200 μm ≤3 |
| Ifiriti | <300 μm (wafer yuzuye, nta gace kayivamo) |
| Uduce | Nta mikurire (wafer yuzuye) |
| Kwanduza | Nta bizinga bidashobora gukurwaho (ifu yuzuye) |
| Kubangikanya ibintu | |
| Igipimo cy'icyerekezo (umurongo X) | 47 ± 2 mm |
Porogaramu
Udupira twa LNOI dukoreshwa mu buryo butandukanye bitewe n'imiterere yatwo yihariye, cyane cyane mu bijyanye na fotoniki, itumanaho, n'ikoranabuhanga rya quantum. Zimwe mu ngero z'ingenzi zirimo:
Ikoranabuhanga rya Optique:Udupira twa LNOI dukoreshwa cyane mu miyoboro y’urumuri ihuriweho, aho dukoresha ibikoresho bifite imikorere myiza nka modulators, waveguides, na resonators. Imiterere ya lithium niobate ifite imiterere idasanzwe ituma iba amahitamo meza cyane ku bikoresho bisaba gukoresha neza urumuri.
Itumanaho:Udupira twa LNOI dukoreshwa muri modulators z'urumuri, ari nabyo bintu by'ingenzi muri sisitemu z'itumanaho ryihuse, harimo n'imiyoboro ya fiber optique. Ubushobozi bwo guhindura urumuri ku murongo wo hejuru butuma utwo dupira twa LNOI tuba ingirakamaro kuri sisitemu z'itumanaho zigezweho.
Kwandika Kwamunikasiyo:Mu ikoranabuhanga rya quantum, LNOI wafers zikoreshwa mu gukora ibice bya mudasobwa za quantum na sisitemu z'itumanaho rya quantum. Imiterere ya LNOI idakoresha umurongo umwe ikoreshwa mu gukora fotoni ebyiri zifatanye, zikaba ari ingenzi mu gukwirakwiza urufunguzo rwa quantum no gushushanya quantum.
Ibikoresho byo kugenzura:Udupira twa LNOI dukoreshwa mu buryo butandukanye bwo kumva, harimo n'udupira tw'amajwi n'utw'amajwi. Ubushobozi bwatwo bwo gukorana n'urumuri n'amajwi butuma dushobora gukoreshwa mu buryo butandukanye mu ikoranabuhanga ryo kumva.
Ibibazo Bikunze Kubazwa
Q:Ikoranabuhanga rya LNOI ni iki?
Ikoranabuhanga rya A:LNOI rikubiyemo kohereza firime nto ya lithium niobate ku gice cy’ubushyuhe, cyane cyane silicon. Iri koranabuhanga rikoresha imiterere yihariye ya lithium niobate, nko kuba ifite imiterere myinshi idakoresha umurongo umwe w’urumuri, piezoelectricity, na pyroelectricity, bigatuma iba nziza cyane ku byuma bikoresha optique n’itumanaho.
Q:Ni irihe tandukaniro riri hagati ya LNOI na SOI wafers?
A: Udupira twombi twa LNOI na SOI turasa kuko tugizwe n'urwego rworoshye rw'ibikoresho bifatanye n'ikintu cyo hasi. Ariko, utwo dupira twa LNOI dukoresha lithium niobate nk'ibikoresho byoroshye bya firime, mu gihe utwo dupira twa SOI dukoresha silicon. Itandukaniro rikomeye riri mu miterere y'ibikoresho byoroshye bya firime, aho LNOI itanga imiterere myiza y'amatara n'amashanyarazi.
Q:Ni izihe nyungu zo gukoresha wafer za LNOI?
A: Ibyiza by'ingenzi bya LNOI wafers birimo imiterere myiza y'urumuri, nko kuba zifite coefficients nyinshi zidafite umurongo, ndetse n'imbaraga za mekanike. Ibi bituma LNOI wafers ziba nziza cyane mu gukoresha mu buryo bwihuse, inshuro nyinshi, ndetse no mu buryo bwa quantum.
Q:Ese wafer za LNOI zishobora gukoreshwa mu gukoresha quantum?
A: Yego, LNOI wafers zikoreshwa cyane mu ikoranabuhanga rya quantum bitewe n'ubushobozi bwazo bwo gukora fotoni ebyiri zifatanye kandi zihuye na fotoni zivanze. Izi miterere ni ingenzi mu ikoreshwa rya quantum computing, itumanaho, na cryptography.
Q:Ubunini busanzwe bwa filime za LNOI ni ubuhe?
Ubunini bwa firime za A:LNOI busanzwe buri hagati ya nanometero magana make na mikorometero nyinshi, bitewe n'uburyo zikoreshwa. Ubunini bugenzurwa mu gihe cyo gushyiramo iyoni.
