Mg-Doped LiNbO₃Ingots 45°Z-Cut 64°Y-Cut Orientations For 5G/6G Communications Systems

Tlhaloso e Khutšoanyane:

LiNbO3 Ingot (Lithium Niobate Crystal Ingot) ke lisebelisoa tsa lejoe la sekhutlo ho theknoloji e tsoetseng pele ea optoelectronics le quantum, e tsebahalang ka li-coefficients tsa eona tse ikhethang tsa electro-optic (γ₃₃= 30.9 pm/V), sebaka se pharaletseng sa ponaletso (400-5,200 nC), mocheso o phahameng oa Curie (400-5,200 nC). Ho fapana le lisebelisoa tse tloaelehileng tse thehiloeng ho silicon, li-ingots tsa LiNbO3 li nolofalletsa ts'ebetso ea mats'oao a maqhubu a phahameng haholo le masela a maholo a aperture waveguide, e leng se etsang hore e be tsa bohlokoa bakeng sa likhokahano tsa 5G/6G, quantum photonics le kutlo ea indasteri. Lintlafatso tsa morao-rao tsa kopanyo ea mefuta-futa (mohlala, li-wafers tse entsoeng ka motsoako oa Si) le phokotso ea bokooa (mohlala, Mg doping) li ekelitse ts'ebetso ea eona libakeng tse feteletseng, joalo ka lisensara tsa mocheso o phahameng (> 400 ° C) le lisebelisoa tse thatafalitsoeng ke mahlaseli a sefofane.

Re romelle lengolo-tsoibila

Likaroloana

Litekanyetso tsa tekheniki

Sebopeho sa kristale	Hexagonal
Lattice kamehla	a = 5.154 Å c = 13.783 Å
Mp	1650 C
Botenya	7.45g / cm3
Mocheso oa curie	610 o C
Ho thatafala	5.5 - 6 Mohs
Coefficient ea ho eketsa 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
Mmala	E senang mmala
Ka mefuta e mengata ea	0.4 ~ 5.0 um
Index ea refraction	che = 2.176 ne = 2.180 @ 633 nm

Litšobotsi tsa Bohlokoa tsa Theknoloji

LiNbO3 Ingot e bonts'a lethathamo la thepa e holimo:

1. Ts'ebetso ea Electro-Optic:

Phaello e Phahameng ea Nonlinear: d₃₃= 34.4 pm/V, e nolofalletsang moloko oa bobeli oa harmonic (SHG) le optical parametric oscillation (OPO) bakeng sa mehloli e sebetsang ea infrared.

Phetisetso ea Broadband: Ho monyela ho fokolang ka bongata bo bonahalang (α <0.1 dB/cm ho 1550 nm), ho bohlokoa bakeng sa li-amplifiers tsa C-band le quantum frequency conversion.

2. Matla a Mechanical & Thermal:

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

Karabelo e Phahameng ea Piezoelectric: g₃₃> 20 mV/m, e loketse li-filters tsa surface acoustic wave (SAW) ho 5G mmWave systems.

3. Taolo ea Bofokoli:

Boima ba Micropipe: <0.1 cm⁻²(li-ingots tse 8-inch), e netefalitsoe ka phallo ea X-ray ea synchrotron .

Mahlaseli a Resistance: Ho kheloha ho fokolang ha lattice tlas'a masimo a motlakase a 100 kV/cm, ho tiisitsoe tlhahlobo ea boemo ba sefofane.

Lisebelisoa tsa Leano

LiNbO3 Ingot e tsamaisa mekhoa e mecha ho pholletsa le libaka tse tsoetseng pele:

1. Quantum Photonics:

Mehloli e le 'Ngoe ea Photon: Ho sebelisa phetoho e tlase e sa thekeseleng, LiNbO3 e thusa ho hlahisa li-photon tse kentsoeng bakeng sa litsamaiso tsa quantum key distribution (QKD).

Memori ea Quantum: Ho hokahana le likhoele tsa Er³⁺-doped ho fihlela katleho ea 30% ea polokelo ho 1530 nm, e bohlokoa bakeng sa marang-rang a bolelele bo bolelele.

2. Litsamaiso tsa Optoelectronic:

Li-Modulators tsa Lebelo le Phahameng: X-cut LiNbO3 e finyella 40 GHz bandwidth e nang le <1 dB tahlehelo ea ho kenya, ho feta LiTaO3 ho li-transceivers tsa optical 400G.

Laser Frequency Doubling: Mg-doped LiNbO3 (6% threshold) e fokotsa tšenyo ea photorefractive, e nolofalletsang 1064 nm e tsitsitseng → 532 nm phetoho tsamaisong ea LiDAR.

3. Maikutlo a Indasteri:

Li-Sensors tsa Khatello ea Mocheso o Phahameng: E sebetsa ka mokhoa o tsoelang pele ho 600 ° C, e sebelisa matla a piezoelectric resonance bakeng sa ho hlahloba lipeipi tsa oli / khase.

Li-Transformer Tsa Hona Joale: Fe/Mg co-doping e matlafatsa kutlo (0.1% FS) lits'ebetsong tse bohlale tsa grid.

Litšebeletso le Litharollo tsa XKH

Litšebeletso tsa rona tsa LiNbO3 Ingot li etselitsoe ho scalability le ho nepahala:

1. Tlhahiso e Tloaelehileng:

Likhetho tsa boholo: li-ingots tse 3–8-inch tse nang le X/Y/Z-cut le li-geometries tsa 42°Y, ±0.01° mamello ea angular.

Taolo ea Doping: Fe/Mg co-doping ka mokhoa oa Czochralski(concentration range 10¹⁶–10¹⁹ cm⁻³) ho matlafatsa khanyetso ea photorefractive.

2. Ts'ebetso e tsoetseng pele:

Heterogeneous Integration: Li-wafers tse kopantsoeng tsa Si-LN (300-600 nm botenya) tse nang le conductivity ea mocheso ho fihla ho 8.78 W / m·K bakeng sa li-filters tsa SAW tse phahameng-frequency.

Waveguide Fabrication: Proton exchange (PE) le reverse proton exchange (RPE) mekhoa e fana ka submicron waveguides (Δn >0.7) bakeng sa 40 GHz electro-optic modulators.

3. Tiisetso ea Boleng:

Tlhahlobo ea ho Qetela: Raman spectroscopy (polytype verification), XRD (crystallinity), le AFM (surface morphology) e netefatsa ho lumellana le MIL-PRF-4520J le JEDEC-033.

Global Logistics: Likepe tse laoloang ke mocheso (± 0.5 ° C) le phano ea tšohanyetso ea lihora tse 48 ho pholletsa le Asia-Pacific, Europe le Amerika Leboea.

Melemo ea Tlholisano

1. Tšebeliso ea Litšenyehelo: Li-ingots tsa 8-inch li fokotsa litšila tsa thepa ka 30% ha li bapisoa le mefuta e meng ea 4-inch, ho theola litšenyehelo tsa yuniti ka 18%.

2. Melemo ea Ts'ebetso:

SAW Filter Bandwidth: >1.28 GHz (vs. 0.8 GHz bakeng sa LiTaO3), e bohlokoa bakeng sa lihlopha tsa 5G mmWave .

Thermal Cycling: E pholoha -200-500 ° C lipotoloho tse nang le <0.05% warpage, e netefalitsoeng litekong tsa LiDAR tsa likoloi.

1. Tšireletseho: Mekhoa e sebelisoang hape ea ho lokisa e fokotsa tšebeliso ea metsi ka 40% le tšebeliso ea matla ka 25%.

Qetello

LiNbO3 Ingot e ntse e le thepa ea khetho bakeng sa li-optoelectronics tsa moloko o latelang, ho kopanya ts'ebetso ea electro-optic e ke keng ea lekanngoa le botšepehi ba boemo ba indasteri. Ho tloha ho komporo ea quantum ho ea ho likhokahano tsa 6G, ho feto-fetoha ha eona le ho scalability ho e beha e le sesebelisoa sa bohlokoa sa mahlale a kamoso. Selekane le rona ho matlafatsa doping, phokotso ea bofokoli, le litharollo tse fapaneng tsa kopanyo tse tsamaellanang le litlhoko tsa kopo ea hau.