Tsarin LiNbO₃ na Mg-Doped 45°Z-Cut 64°Y-Cut don Tsarin Sadarwa na 5G/6G

Takaitaccen Bayani:

LiNbO3 Ingot (Lithium Niobate Crystal Ingot) wani muhimmin abu ne a cikin fasahar optoelectronics da fasahar quantum, wanda aka san shi da ingantaccen ma'aunin electro-optic (γ₃₃= 30.9 pm/V), kewayon bayyananne mai faɗi (400-5,200 nm), da zafin jiki mai yawa na Curie (1210°C). Ba kamar kayan da aka yi da silicon na gargajiya ba, ingots na LiNbO3 suna ba da damar sarrafa sigina mai yawan mita da ƙera jagorar raƙuman ruwa mai girma, wanda hakan ya sa su zama dole ga sadarwa ta 5G/6G, kwantum photonics, da kuma fahimtar masana'antu. Ci gaban da aka samu kwanan nan a cikin haɗakar abubuwa daban-daban (misali, wafers masu haɗa Si) da rage lahani (misali, doping Mg) sun ƙara faɗaɗa amfaninsa ga yanayi mai tsauri, kamar na'urori masu auna zafin jiki mai yawa (>400°C) da tsarin sararin samaniya mai tauri.

Aika mana imel

Siffofi

Sigogi na fasaha

Tsarin lu'ulu'u	Mai siffar murabba'i mai siffar murabba'i
Daidaitaccen layi	a = 5.154 Å c = 13.783 Å
Mp	1650 o C
Yawan yawa	7.45 g / cm3
Zafin jiki na Curie	610 oC
Tauri	5.5 - 6 Mohs
Ma'aunin faɗaɗa zafin jiki	aa = 1.61 x 10 -6 / k ac = 4.1 x 10 -6 / k
Juriya	1015 Wm
Izini	es11 / e0: 39 ~ 43 es33 / e0: 42 ~ 43 da 11 / e0: 51 ~ 54 da 11 / e0: 43 ~ 46
Launi	Ba shi da launi
Ta hanyar kewayon	0.4 ~ 5.0 um
Ma'aunin jan hankali	babu = 2.176 ne = 2.180 @ 633 nm

Muhimman Halayen Fasaha

LiNbO3 Ingot yana da tarin kyawawan halaye:

1. Aikin Electro-Optic:

Babban Ma'aunin Ba a Layi Ba: d₃₃= 34.4 pm/V, wanda ke ba da damar samar da ingantaccen tsarin harmonic na biyu (SHG) da kuma oscillation na gani (OPO) don tushen infrared mai iya daidaitawa.

Watsawa ta hanyar sadarwa ta intanet: Ƙarancin sha a cikin bakan da ake iya gani (α < 0.1 dB/cm a 1550 nm), yana da mahimmanci ga amplifiers na gani na C-band da kuma sauya mitar quantum.

2. Ƙarfin Inji da Zafi:

Ƙarancin Faɗaɗawar Zafi: CTE = 14.4×10⁻⁶/K (a-axis), yana tabbatar da dacewa da abubuwan silicon a cikin da'irorin photonic masu haɗaka.

Babban martanin Piezoelectric: g₃₃> 20 mV/m, ya dace da matatun raƙuman ruwa na saman (SAW) a cikin tsarin 5G mmWave.

3. Kula da Lalacewa:

Yawan bututun micropipe: <0.1 cm⁻² (inci 8), an tabbatar da shi ta hanyar synchrotron X-ray diffraction.

Juriyar Hasken Radiation: Ƙarancin gurɓataccen layin wutar lantarki a ƙarƙashin filayen lantarki na 100 kV/cm, an tabbatar da shi a gwajin matakin sararin samaniya.

Aikace-aikacen Dabaru

LiNbO3 Ingot yana haɓaka ƙirƙira a fannoni na zamani:

1. Kwatancen Photonics:

Tushen Photon Guda Ɗaya: Ta hanyar amfani da canjin da ba na layi ba, LiNbO3 yana ba da damar samar da nau'ikan photon masu haɗawa don tsarin rarraba maɓallan quantum (QKD).

Ƙwaƙwalwar Kwantum: Haɗawa da zare masu amfani da Er³⁺ yana cimma ingantaccen ajiya na kashi 30% a 1530 nm, wanda yake da mahimmanci ga hanyoyin sadarwa na kwantum masu nisa.

2. Tsarin Optoelectronic:

Masu Gyaran Sauri: LiNbO3 mai yanke X-cut yana cimma matsakaicin bandwidth na 40 GHz tare da asarar shigar <1 dB, wanda ya fi LiTaO3 aiki a cikin na'urorin watsawa na gani na 400G.

Sau Biyu a Yawan Laser: LiNbO3 mai maganin Mg (6% ƙofa) yana rage lalacewar photorefractive, yana ba da damar daidaitawar 1064 nm → 532 nm a cikin tsarin LiDAR.

3. Fahimtar Masana'antu:

Na'urori Masu auna matsin lamba na zafin jiki mai yawa: Suna aiki akai-akai a zafin 600°C, suna amfani da sautin piezoelectric don sa ido kan bututun mai/iska.

Masu Canzawa na Yanzu: Fe/Mg co-doping yana ƙara ƙarfin ji (0.1% FS) a cikin aikace-aikacen grid mai wayo.

Ayyukan XKH & Magani

An ƙera ayyukanmu na LiNbO3 Ingot don daidaitawa da daidaito:

1. Ƙirƙirar Musamman:

Zaɓuɓɓukan Girma: Ingots masu inci 3-8 tare da yanke X/Y/Z da kuma geometry masu yanke 42° Y, ±0.01° haƙurin kusurwa.

Kula da Magungunan Doping: Fe/Mg tare da allurar Fe ta hanyar hanyar Czochralski (tsakanin maida hankali 10¹⁶–10¹⁹ cm⁻³) don inganta juriyar photorefractive.

2. Tsarin Aiki Mai Ci Gaba:

Haɗin kai iri-iri: Wafers ɗin haɗin Si-LN (kauri 300–600 nm) tare da ƙarfin lantarki mai zafi har zuwa 8.78 W/m·K don matatun SAW masu yawan mita.

Ƙirƙirar Jagoran Wave: Dabaru na musayar proton (PE) da na musayar proton (RPE) suna samar da jagororin wave na submicron (Δn > 0.7) ga masu daidaita wutar lantarki na 40 GHz.

3. Tabbatar da Inganci:

Gwaji Daga Ƙarshe Zuwa Ƙarshe: Raman spectroscopy (tabbatar da nau'in polytype), XRD (crystallinity), da AFM (siffar saman) suna tabbatar da bin ƙa'idodin MIL-PRF-4520J da JEDEC-033.

Kayayyakin Jigilar Kayayyaki na Duniya: Jigilar kaya mai sarrafa zafin jiki (±0.5°C) da kuma isar da kaya cikin gaggawa na awanni 48 a faɗin Asiya-Pacific, Turai, da Arewacin Amurka.

Fa'idodin Gasar

1. Ingantaccen Kuɗi: Ingot mai inci 8 yana rage ɓarnar abu da kashi 30% idan aka kwatanta da madadin inci 4, wanda ke rage farashin kowane raka'a da kashi 18%.

2. Ma'aunin Aiki:

Bandwidth na Tace SAW: >1.28 GHz (idan aka kwatanta da 0.8 GHz ga LiTaO3), mai mahimmanci ga 5G mmWave madaukai.

Keke Mai Zafi: Yana tsira daga -200–500°C tare da warpage na <0.05%, an tabbatar da shi a gwajin LiDAR na mota.

1. Dorewa: Hanyoyin sarrafa ruwa da ake iya sake amfani da su suna rage yawan amfani da ruwa da kashi 40% da kuma amfani da makamashi da kashi 25%.

Kammalawa

LiNbO3 Ingot ya kasance abin da aka fi so ga na'urorin optoelectronics na zamani, yana haɗa aikin electro-optic mara misaltuwa tare da amincin matakin masana'antu. Daga ƙididdigar kwantum zuwa sadarwa ta 6G, sauƙin amfani da shi da kuma daidaitawarsa yana sanya shi a matsayin mai ba da damar fasahar nan gaba. Yi haɗin gwiwa da mu don amfani da hanyoyin magance matsalolin da suka shafi amfani da na'urori masu guba, rage lahani, da kuma hanyoyin haɗakarwa iri-iri da aka tsara don buƙatun aikace-aikacenku.