Li-Ingots tsa LiNbO₃ tse nang le Mg-Doped 45°Z-Cut 64°Y-Cut bakeng sa Litsamaiso tsa Puisano tsa 5G/6G

Tlhaloso e Khutšoanyane:

LiNbO3 Ingot (Lithium Niobate Crystal Ingot) ke thepa ea lejoe la motheo theknolojing e tsoetseng pele ea optoelectronics le quantum, e tsebahalang ka li-coefficient tsa eona tse ikhethang tsa electro-optic (γ₃₃= 30.9 pm/V), sebaka se pharaletseng sa ponaletso (400–5,200 nm), le mocheso o phahameng oa Curie (1210°C). Ho fapana le thepa e tloaelehileng e thehiloeng ho silicon, li-ingot tsa LiNbO3 li nolofalletsa ts'ebetso ea matšoao a maqhubu a phahameng le tlhahiso ea waveguide e kholo ea aperture, e leng se etsang hore li be tsa bohlokoa bakeng sa puisano ea 5G/6G, quantum photonics, le kutlo ea indasteri. Tsoelo-pele ea morao tjena ho kopanngoa ho sa tšoaneng (mohlala, li-wafer tse kopantsoeng tse thehiloeng ho Si) le ho fokotsa liphoso (mohlala, Mg doping) li atolositse ho sebetsa ha eona libakeng tse feteletseng, joalo ka li-sensor tsa mocheso o phahameng (>400°C) le litsamaiso tsa lifofane tse thatafalitsoeng ke mahlaseli.

Romella imeile ho rona

Likaroloana

Litekanyetso tsa tekheniki

Sebopeho sa kristale	Mahlakore a tšeletseng
Sekoahelo sa lerako	a = 5.154 Å c = 13.783 Å
Mp	1650 o C
Botenya	7.45 g / cm3
Mocheso oa Curie	610 o C
Bothata	5.5 - 6 Mohs
Koefficient ea katoloso ea mocheso	aa = 1.61 x 10 -6 / k ac = 4.1 x 10 -6 / k
Ho hanyetsa	1015 Wm
Tumello	es11 / e0: 39 ~ 43 es33 / e0: 42 ~ 43 et11 / e0: 51 ~ 54 et11 / e0: 43 ~ 46
'Mala	Ha e na 'mala
Ka mefuta e fapaneng ea	0.4 ~ 5.0 um
Index ea refraction	che = 2.176 ne = 2.180 @ 633 nm

Litšobotsi tsa Bohlokoa tsa Tekheniki

LiNbO3 Ingot e bonts'a sete ea thepa e phahameng:

1. Tshebetso ya Electro-Optic:

Coefficient e Phahameng e seng ea Linear: d₃₃= 34.4 pm/V, e nolofalletsang tlhahiso e sebetsang hantle ea bobeli ea harmonic (SHG) le oscillation ea optical parametric (OPO) bakeng sa mehloli ea infrared e ka fetoloang.

Phetiso ea Broadband: Ho monya ho fokolang ka har'a spectrum e bonahalang (α < 0.1 dB/cm ho 1550 nm), ea bohlokoa bakeng sa li-amplifiers tsa optical tsa C-band le phetoho ea maqhubu a quantum.

2. Matla a Mekaniki le a Thermal:

Katoloso e Tlase ea Thermal: CTE = 14.4×10⁻⁶/K (a-axis), e netefatsang ho lumellana le li-substrate tsa silicon lipotolohong tsa hybrid photonic.

Karabelo e Phahameng ea Piezoelectric: g₃₃> 20 mV/m, e loketse lifilthara tsa maqhubu a molumo oa holim'a metsi (SAW) lits'ebetsong tsa 5G mmWave.

3. Taolo e Phethahetseng ea Liphoso:

Botenya ba Micropipe: <0.1 cm⁻² (li-ingots tsa lisenthimithara tse 8), tse netefalitsoeng ka synchrotron X-ray diffraction.

Khanyetso ea Mahlaseli: Ho sotha ha lekhoakhoa le fokolang tlas'a masimo a motlakase a 100 kV/cm, ho netefalitsoe litekong tsa sehlopha sa lifofane.

Litšebeliso tsa Maano

LiNbO3 Ingot e kganna boqapi ho pholletsa le mafapha a sejoale-joale:

1. Lifoto tsa Quantum:

Mehloli ea Photon e le 'Ngoe: Ka ho sebelisa phetoho e seng ea linear down-conversion, LiNbO3 e nolofalletsa tlhahiso ea para ea photon e kopantsoeng bakeng sa litsamaiso tsa kabo ea senotlolo sa quantum (QKD).

Memori ea Quantum: Ho kopanngoa le likhoele tse nang le Er³⁺ho fihlella katleho ea polokelo ea 30% ho 1530 nm, e leng ea bohlokoa bakeng sa marang-rang a quantum a hole.

2. Mekhoa ea Optoelectronic:

Li-Modulator tsa Lebelo le Phahameng: LiNbO3 e khaotsoeng ka X e fihlella bandwidth ea 40 GHz ka tahlehelo ea ho kenya ea <1 dB, e sebetsa hantle ho feta LiTaO3 ho li-transceiver tsa optical tsa 400G.

Ho Bea Makgetlo a Laser Habedi: LiNbO3 e nang le Mg (moeli oa 6%) e fokotsa tšenyo e bakoang ke photorefractive, e nolofalletsang phetoho e tsitsitseng ea 1064 nm → 532 nm lits'ebetsong tsa LiDAR.

3. Temoho ea Liindasteri:

Li-sensor tsa Khatello ea Mocheso o Phahameng: Li sebetsa ka ho tsoelang pele ho 600°C, li sebelisa resonance ea piezoelectric bakeng sa ho lekola liphaephe tsa oli/khase.

Li-Transformer tsa Hona Joale: Ho sebelisa Fe/Mg hammoho ho eketsa kutloisiso (0.1% FS) lits'ebetsong tsa gridi e bohlale.

Litšebeletso le Litharollo tsa XKH

Litšebeletso tsa rona tsa LiNbO3 Ingot li entsoe ka mokhoa oa ho atolosa le ho nepahala:

1. Tlhahiso e Ikhethileng:

Dikgetho tsa Boholo: Di-ingot tsa di-inch tse 3–8 tse nang le dijiometri tsa X/Y/Z le 42°Y-cut, mamello ya angular ya ±0.01°.

Taolo ea Doping: Ho sebelisa doping ea Fe/Mg ka mokhoa oa Czochralski(sebaka sa mahloriso 10¹⁶–10¹⁹ cm⁻³) ho ntlafatsa khanyetso ea photorefractive.

2. Ts'ebetso e Tsoetseng Pele:

Ho Kopanya ho sa Tšoaneng: Li-wafer tse kopantsoeng tsa Si-LN (botenya ba 300–600 nm) tse nang le motlakase o futhumatsang ho fihlela ho 8.78 W/m·K bakeng sa li-filter tsa SAW tse nang le maqhubu a phahameng.

Tlhahiso ea Waveguide: Mekhoa ea phapanyetsano ea proton (PE) le reverse proton exchange (RPE) e hlahisa submicron waveguide (Δn >0.7) bakeng sa li-modulator tsa electro-optic tsa 40 GHz.

3. Netefatso ea Boleng:

Teko ea ho Qetela: Raman spectroscopy (netefatso ea polytype), XRD (kristalinity), le AFM (mofuta oa bokaholimo) li netefatsa ho latela MIL-PRF-4520J le JEDEC-033.

Thepa ea Lefatše ka Bophara: Thomello e laoloang ke mocheso (± 0.5°C) le thomello ea tšohanyetso ea lihora tse 48 ho pholletsa le Asia-Pacific, Europe le Amerika Leboea.

Melemo ea Tlholisano

1. Bokgoni ba Ditjeo: Di-ingot tsa di-inch tse 8 di fokotsa ditshila tsa thepa ka 30% ha di bapiswa le mefuta e meng ya di-inch tse 4, di fokotsa ditjeo ka yuniti ka 18%.

2. Litekanyo tsa Tshebetso:

Bandwidth ea SAW Filter: >1.28 GHz (ha ho bapisoa le 0.8 GHz bakeng sa LiTaO3), ea bohlokoa bakeng sa lihlopha tsa 5G mmWave.

Ho Potoloha ha Thermal: E pholoha lipotoloho tsa -200–500°C ka warpage e ka tlase ho 0.05%, e netefalitsoeng litekong tsa LiDAR tsa likoloi.

1. Botsitso: Mekhoa ea ts'ebetso e ka sebelisoang hape e fokotsa tšebeliso ea metsi ka 40% le tšebeliso ea matla ka 25%.

Qetello

LiNbO3 Ingot e ntse e le thepa e kgethwang bakeng sa di-optoelectronic tsa moloko o latelang, e kopanyang tshebetso e sa bapisweng le ya electro-optic le botshepehi ba maemo a indasteri. Ho tloha ho quantum computing ho isa ho 6G puisano, ho tenyetseha ha yona le bokgoni ba yona ba ho hola di e beha boemong ba bohlokwa ba ho thusa mahlale a nakong e tlang. Sebetsa mmoho le rona ho sebedisa doping ya sejoale-joale, phokotso ya diphoso, le ditharollo tsa kopanyo tse fapaneng tse etseditsweng ditlhoko tsa hao tsa kopo.