{"id":2883,"date":"2026-05-26T06:08:01","date_gmt":"2026-05-26T06:08:01","guid":{"rendered":"https:\/\/www.fuyao-quartz.com\/?post_type=product&#038;p=2883"},"modified":"2026-05-26T06:11:33","modified_gmt":"2026-05-26T06:11:33","slug":"thin-film-lithium-niobate-on-insulator-lnoi-wafer-platform-for-integrated-photonics","status":"publish","type":"product","link":"https:\/\/www.fuyao-quartz.com\/fi\/product\/thin-film-lithium-niobate-on-insulator-lnoi-wafer-platform-for-integrated-photonics\/","title":{"rendered":"Thin-Film Lithium Niobate on Insulator (LNOI) Wafer Platform for Integrated Photonics"},"content":{"rendered":"<p data-start=\"603\" data-end=\"732\">Thin-Film Lithium Niobate on Insulator (LNOI) wafers are engineered substrates for integrated photonic and electro-optic devices.<\/p>\n<p data-start=\"734\" data-end=\"893\">The platform consists of a single-crystal lithium niobate thin film bonded onto a buried oxide (SiO\u2082) layer, supported by a silicon or insulating handle wafer.<\/p>\n<p data-start=\"895\" data-end=\"1094\">This structure enables strong optical confinement, reduced propagation loss, and high electro-optic efficiency, making it one of the most important material platforms for modern integrated photonics.<\/p>\n<hr data-start=\"1096\" data-end=\"1099\" \/>\n<h1 data-section-id=\"z5lkn1\" data-start=\"1101\" data-end=\"1143\"><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-2886 alignright\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-300x300.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-150x150.png 150w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-768x768.png 768w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-12x12.png 12w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-600x600.png 600w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1-100x100.png 100w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-1.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Thin-Film Lithium Niobate (TFLN) Concept<\/h1>\n<p data-start=\"1145\" data-end=\"1304\">Thin-Film Lithium Niobate (TFLN) refers to a sub-micron LiNbO\u2083 crystalline layer designed for high-confinement optical waveguides and electro-optic modulation.<\/p>\n<p data-start=\"1306\" data-end=\"1356\">Compared with bulk lithium niobate, TFLN provides:<\/p>\n<ul data-start=\"1358\" data-end=\"1511\">\n<li data-section-id=\"6eo9fa\" data-start=\"1358\" data-end=\"1396\">Stronger optical field confinement<\/li>\n<li data-section-id=\"maxe10\" data-start=\"1397\" data-end=\"1429\">Higher modulation efficiency<\/li>\n<li data-section-id=\"14izunr\" data-start=\"1430\" data-end=\"1458\">Reduced device footprint<\/li>\n<li data-section-id=\"1xsbopo\" data-start=\"1459\" data-end=\"1511\">Compatibility with silicon photonics integration<\/li>\n<\/ul>\n<p data-start=\"1513\" data-end=\"1591\">TFLN is implemented on LNOI wafers to enable wafer-scale photonic integration.<\/p>\n<hr data-start=\"1593\" data-end=\"1596\" \/>\n<h1 data-section-id=\"ju4mac\" data-start=\"1598\" data-end=\"1618\">Wafer Architecture<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"1620\" data-end=\"1956\">\n<thead data-start=\"1620\" data-end=\"1658\">\n<tr data-start=\"1620\" data-end=\"1658\">\n<th class=\"last:pe-10\" data-start=\"1620\" data-end=\"1628\" data-col-size=\"sm\">Layer<\/th>\n<th class=\"last:pe-10\" data-start=\"1628\" data-end=\"1639\" data-col-size=\"sm\">Materiaali<\/th>\n<th class=\"last:pe-10\" data-start=\"1639\" data-end=\"1658\" data-col-size=\"md\">Functional Role<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"1696\" data-end=\"1956\">\n<tr data-start=\"1696\" data-end=\"1783\">\n<td data-start=\"1696\" data-end=\"1711\" data-col-size=\"sm\">Device Layer<\/td>\n<td data-start=\"1711\" data-end=\"1737\" data-col-size=\"sm\">LiNbO\u2083 Thin Film (TFLN)<\/td>\n<td data-col-size=\"md\" data-start=\"1737\" data-end=\"1783\">Electro-optic modulation, nonlinear optics<\/td>\n<\/tr>\n<tr data-start=\"1784\" data-end=\"1867\">\n<td data-start=\"1784\" data-end=\"1803\" data-col-size=\"sm\">Insulating Layer<\/td>\n<td data-start=\"1803\" data-end=\"1825\" data-col-size=\"sm\">SiO\u2082 (Buried Oxide)<\/td>\n<td data-start=\"1825\" data-end=\"1867\" data-col-size=\"md\">Optical isolation and mode confinement<\/td>\n<\/tr>\n<tr data-start=\"1868\" data-end=\"1956\">\n<td data-start=\"1868\" data-end=\"1883\" data-col-size=\"sm\">Handle Wafer<\/td>\n<td data-start=\"1883\" data-end=\"1908\" data-col-size=\"sm\">Si \/ Quartz \/ Sapphire<\/td>\n<td data-start=\"1908\" data-end=\"1956\" data-col-size=\"md\">Mechanical support and process compatibility<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"1958\" data-end=\"1961\" \/>\n<h1 data-section-id=\"u0ybrq\" data-start=\"1963\" data-end=\"1977\"><img decoding=\"async\" class=\"size-medium wp-image-2884 alignright\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-300x300.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-150x150.png 150w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-768x768.png 768w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-12x12.png 12w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-600x600.png 600w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3-100x100.png 100w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-3.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>T\u00e4rkeimm\u00e4t ominaisuudet<\/h1>\n<p data-start=\"1979\" data-end=\"2058\">Ultra-low optical propagation loss &lt; 0.05 dB\/cm at telecom wavelength (1550 nm)<\/p>\n<p data-start=\"2060\" data-end=\"2110\">High electro-optic coefficient (r\u2083\u2083 up to 90 pm\/V)<\/p>\n<p data-start=\"2112\" data-end=\"2179\">Sub-micron waveguide compatibility for compact photonic integration<\/p>\n<p data-start=\"2181\" data-end=\"2251\">CMOS-compatible integration with silicon and silicon nitride platforms<\/p>\n<p data-start=\"2253\" data-end=\"2306\">High thermal stability with Curie temperature ~1140\u00b0C<\/p>\n<p data-start=\"2308\" data-end=\"2368\">Multiple crystal orientations available: X-cut, Y-cut, Z-cut<\/p>\n<p data-start=\"2370\" data-end=\"2412\">Wafer sizes scalable from 3 inch to 8 inch<\/p>\n<hr data-start=\"2414\" data-end=\"2417\" \/>\n<h1 data-section-id=\"zjxypn\" data-start=\"2419\" data-end=\"2445\">Tekniset tiedot<\/h1>\n<h2 data-section-id=\"14np8ub\" data-start=\"2447\" data-end=\"2472\">Wafer-Level Parameters<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2474\" data-end=\"2691\">\n<thead data-start=\"2474\" data-end=\"2503\">\n<tr data-start=\"2474\" data-end=\"2503\">\n<th class=\"last:pe-10\" data-start=\"2474\" data-end=\"2486\" data-col-size=\"sm\">Parametri<\/th>\n<th class=\"last:pe-10\" data-start=\"2486\" data-end=\"2503\" data-col-size=\"sm\">Tekniset tiedot<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2532\" data-end=\"2691\">\n<tr data-start=\"2532\" data-end=\"2567\">\n<td data-start=\"2532\" data-end=\"2549\" data-col-size=\"sm\">Wafer Diameter<\/td>\n<td data-col-size=\"sm\" data-start=\"2549\" data-end=\"2567\">3&#8243;, 4&#8243;, 6&#8243;, 8&#8243;<\/td>\n<\/tr>\n<tr data-start=\"2568\" data-end=\"2595\">\n<td data-start=\"2568\" data-end=\"2580\" data-col-size=\"sm\">Paksuus<\/td>\n<td data-col-size=\"sm\" data-start=\"2580\" data-end=\"2595\">525 \u00b1 25 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"2596\" data-end=\"2612\">\n<td data-start=\"2596\" data-end=\"2602\" data-col-size=\"sm\">Keula<\/td>\n<td data-col-size=\"sm\" data-start=\"2602\" data-end=\"2612\">\u00b150 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"2613\" data-end=\"2630\">\n<td data-start=\"2613\" data-end=\"2620\" data-col-size=\"sm\">Warp<\/td>\n<td data-start=\"2620\" data-end=\"2630\" data-col-size=\"sm\">&lt;50 \u03bcm<\/td>\n<\/tr>\n<tr data-start=\"2631\" data-end=\"2691\">\n<td data-start=\"2631\" data-end=\"2665\" data-col-size=\"sm\">Local Thickness Variation (LTV)<\/td>\n<td data-col-size=\"sm\" data-start=\"2665\" data-end=\"2691\">&lt;1.5 \u03bcm (5\u00d75 mm\u00b2, 95%)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2693\" data-end=\"2696\" \/>\n<h2 data-section-id=\"105h6ij\" data-start=\"2698\" data-end=\"2723\">Thin-Film LiNbO\u2083 Layer<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2725\" data-end=\"2962\">\n<thead data-start=\"2725\" data-end=\"2754\">\n<tr data-start=\"2725\" data-end=\"2754\">\n<th class=\"last:pe-10\" data-start=\"2725\" data-end=\"2737\" data-col-size=\"sm\">Parametri<\/th>\n<th class=\"last:pe-10\" data-start=\"2737\" data-end=\"2754\" data-col-size=\"sm\">Tekniset tiedot<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"2783\" data-end=\"2962\">\n<tr data-start=\"2783\" data-end=\"2819\">\n<td data-start=\"2783\" data-end=\"2794\" data-col-size=\"sm\">Materiaali<\/td>\n<td data-start=\"2794\" data-end=\"2819\" data-col-size=\"sm\">Single-crystal LiNbO\u2083<\/td>\n<\/tr>\n<tr data-start=\"2820\" data-end=\"2858\">\n<td data-start=\"2820\" data-end=\"2838\" data-col-size=\"sm\">Thickness Range<\/td>\n<td data-col-size=\"sm\" data-start=\"2838\" data-end=\"2858\">300 nm \u2013 1000 nm<\/td>\n<\/tr>\n<tr data-start=\"2859\" data-end=\"2891\">\n<td data-start=\"2859\" data-end=\"2882\" data-col-size=\"sm\">Orientation Accuracy<\/td>\n<td data-start=\"2882\" data-end=\"2891\" data-col-size=\"sm\">\u00b10.5\u00b0<\/td>\n<\/tr>\n<tr data-start=\"2892\" data-end=\"2925\">\n<td data-start=\"2892\" data-end=\"2912\" data-col-size=\"sm\">Pinnan karheus<\/td>\n<td data-col-size=\"sm\" data-start=\"2912\" data-end=\"2925\">Ra &lt; 1 nm<\/td>\n<\/tr>\n<tr data-start=\"2926\" data-end=\"2962\">\n<td data-start=\"2926\" data-end=\"2944\" data-col-size=\"sm\">Defect Criteria<\/td>\n<td data-start=\"2944\" data-end=\"2962\" data-col-size=\"sm\">No voids &gt;1 mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"2964\" data-end=\"2967\" \/>\n<h2 data-section-id=\"1xdkjas\" data-start=\"2969\" data-end=\"2990\">Buried Oxide Layer<\/h2>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"2992\" data-end=\"3135\">\n<thead data-start=\"2992\" data-end=\"3021\">\n<tr data-start=\"2992\" data-end=\"3021\">\n<th class=\"last:pe-10\" data-start=\"2992\" data-end=\"3004\" data-col-size=\"sm\">Parametri<\/th>\n<th class=\"last:pe-10\" data-start=\"3004\" data-end=\"3021\" data-col-size=\"sm\">Tekniset tiedot<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"3050\" data-end=\"3135\">\n<tr data-start=\"3050\" data-end=\"3069\">\n<td data-start=\"3050\" data-end=\"3061\" data-col-size=\"sm\">Materiaali<\/td>\n<td data-start=\"3061\" data-end=\"3069\" data-col-size=\"sm\">SiO\u2082<\/td>\n<\/tr>\n<tr data-start=\"3070\" data-end=\"3114\">\n<td data-start=\"3070\" data-end=\"3082\" data-col-size=\"sm\">Paksuus<\/td>\n<td data-col-size=\"sm\" data-start=\"3082\" data-end=\"3114\">100 nm \u2013 2 \u03bcm (customizable)<\/td>\n<\/tr>\n<tr data-start=\"3115\" data-end=\"3135\">\n<td data-start=\"3115\" data-end=\"3128\" data-col-size=\"sm\">Uniformity<\/td>\n<td data-col-size=\"sm\" data-start=\"3128\" data-end=\"3135\">\u00b15%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"3137\" data-end=\"3140\" \/>\n<h1 data-section-id=\"xsn2bk\" data-start=\"3142\" data-end=\"3166\">Fabrication Technology<\/h1>\n<p data-start=\"3168\" data-end=\"3236\">LNOI wafers are fabricated using semiconductor-compatible processes:<\/p>\n<ul data-start=\"3238\" data-end=\"3536\">\n<li data-section-id=\"13c0fvf\" data-start=\"3238\" data-end=\"3298\">Controlled ion implantation for crystal layer definition<\/li>\n<li data-section-id=\"1usb3eg\" data-start=\"3299\" data-end=\"3343\">Wafer bonding onto insulating substrates<\/li>\n<li data-section-id=\"1qbyczh\" data-start=\"3344\" data-end=\"3394\">Thermal annealing for crystal quality recovery<\/li>\n<li data-section-id=\"1erbdy1\" data-start=\"3395\" data-end=\"3460\">Chemical Mechanical Polishing (CMP) for surface planarization<\/li>\n<li data-section-id=\"qs885x\" data-start=\"3461\" data-end=\"3536\">Metrology-based inspection for optical and structural quality assurance<\/li>\n<\/ul>\n<hr data-start=\"3538\" data-end=\"3541\" \/>\n<h1 data-section-id=\"1b9xnf1\" data-start=\"3543\" data-end=\"3563\">Application Fields<\/h1>\n<p data-start=\"3565\" data-end=\"3667\">Integrated optical communication systems including high-speed modulators for 100G to 800G transmission<\/p>\n<p data-start=\"3669\" data-end=\"3760\">Quantum photonic systems for entangled photon generation and quantum information processing<\/p>\n<p data-start=\"3762\" data-end=\"3843\">Microwave photonics for RF signal processing and millimeter-wave photonic systems<\/p>\n<p data-start=\"3845\" data-end=\"3939\">Nonlinear optical devices including frequency conversion and optical frequency comb generation<\/p>\n<p data-start=\"3941\" data-end=\"4020\">Integrated optical sensing systems for biochemical and environmental monitoring<\/p>\n<hr data-start=\"4022\" data-end=\"4025\" \/>\n<h1 data-section-id=\"15xe5if\" data-start=\"4027\" data-end=\"4051\">Performance Comparison<\/h1>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"4053\" data-end=\"4419\">\n<thead data-start=\"4053\" data-end=\"4105\">\n<tr data-start=\"4053\" data-end=\"4105\">\n<th class=\"last:pe-10\" data-start=\"4053\" data-end=\"4064\" data-col-size=\"sm\">Kiinteist\u00f6<\/th>\n<th class=\"last:pe-10\" data-start=\"4064\" data-end=\"4078\" data-col-size=\"sm\">Bulk LiNbO\u2083<\/th>\n<th class=\"last:pe-10\" data-start=\"4078\" data-end=\"4105\" data-col-size=\"sm\">LNOI Thin-Film Platform<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"4160\" data-end=\"4419\">\n<tr data-start=\"4160\" data-end=\"4199\">\n<td data-start=\"4160\" data-end=\"4175\" data-col-size=\"sm\">Optical Loss<\/td>\n<td data-start=\"4175\" data-end=\"4184\" data-col-size=\"sm\">Korkeampi<\/td>\n<td data-start=\"4184\" data-end=\"4199\" data-col-size=\"sm\">&lt;0.05 dB\/cm<\/td>\n<\/tr>\n<tr data-start=\"4200\" data-end=\"4247\">\n<td data-start=\"4200\" data-end=\"4219\" data-col-size=\"sm\">Device Footprint<\/td>\n<td data-start=\"4219\" data-end=\"4227\" data-col-size=\"sm\">Large<\/td>\n<td data-start=\"4227\" data-end=\"4247\" data-col-size=\"sm\">Sub-micron scale<\/td>\n<\/tr>\n<tr data-start=\"4248\" data-end=\"4320\">\n<td data-start=\"4248\" data-end=\"4273\" data-col-size=\"sm\">Integration Capability<\/td>\n<td data-start=\"4273\" data-end=\"4283\" data-col-size=\"sm\">Rajoitettu<\/td>\n<td data-start=\"4283\" data-end=\"4320\" data-col-size=\"sm\">High-density photonic integration<\/td>\n<\/tr>\n<tr data-start=\"4321\" data-end=\"4354\">\n<td data-start=\"4321\" data-end=\"4342\" data-col-size=\"sm\">CMOS Compatibility<\/td>\n<td data-col-size=\"sm\" data-start=\"4342\" data-end=\"4347\">Ei<\/td>\n<td data-col-size=\"sm\" data-start=\"4347\" data-end=\"4354\">Kyll\u00e4<\/td>\n<\/tr>\n<tr data-start=\"4355\" data-end=\"4419\">\n<td data-start=\"4355\" data-end=\"4379\" data-col-size=\"sm\">Modulation Efficiency<\/td>\n<td data-start=\"4379\" data-end=\"4390\" data-col-size=\"sm\">Kohtalainen<\/td>\n<td data-col-size=\"sm\" data-start=\"4390\" data-end=\"4419\">High (V\u03c0 ~ 1V achievable)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<hr data-start=\"4421\" data-end=\"4424\" \/>\n<h1 data-section-id=\"1ki9ggs\" data-start=\"4426\" data-end=\"4454\">Custom Engineering Options<\/h1>\n<p data-start=\"4456\" data-end=\"4531\">Crystal orientation selectable among X-cut, Y-cut, and Z-cut configurations<\/p>\n<p data-start=\"4533\" data-end=\"4590\">Thin-film thickness engineered between 300 nm and 1000 nm<\/p>\n<p data-start=\"4592\" data-end=\"4656\">Buried oxide thickness adjustable for optical confinement tuning<\/p>\n<p data-start=\"4658\" data-end=\"4713\">Substrate options include silicon, quartz, and sapphire<\/p>\n<p data-start=\"4715\" data-end=\"4772\">Optional MgO doping for improved optical damage threshold<\/p>\n<hr data-start=\"4774\" data-end=\"4777\" \/>\n<h1 data-section-id=\"138iuoj\" data-start=\"4779\" data-end=\"4812\"><img decoding=\"async\" class=\"size-medium wp-image-2885 alignright\" src=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-300x300.png\" alt=\"\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-300x300.png 300w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-150x150.png 150w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-768x768.png 768w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-12x12.png 12w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-600x600.png 600w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2-100x100.png 100w, https:\/\/www.fuyao-quartz.com\/wp-content\/uploads\/2026\/05\/Thin-Film-Lithium-Niobate-on-Insulator-LNOI-Wafer-Platform-for-Integrated-Photonics-2.png 1000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>Quality Assurance and Metrology<\/h1>\n<p data-start=\"4814\" data-end=\"4873\">Each wafer undergoes strict semiconductor-grade inspection:<\/p>\n<p data-start=\"4875\" data-end=\"4927\">Optical loss measurement at telecom wavelength bands<\/p>\n<p data-start=\"4929\" data-end=\"4985\">Atomic force microscopy for surface roughness evaluation<\/p>\n<p data-start=\"4987\" data-end=\"5038\">Infrared inspection for bonding interface integrity<\/p>\n<p data-start=\"5040\" data-end=\"5090\">Thickness and uniformity mapping across full wafer<\/p>\n<p data-start=\"5092\" data-end=\"5139\">Wafer flatness and stress distribution analysis<\/p>\n<hr data-start=\"5141\" data-end=\"5144\" \/>\n<h1 data-section-id=\"1791hl0\" data-start=\"5146\" data-end=\"5188\">Engineering and Manufacturing Capability<\/h1>\n<p data-start=\"5190\" data-end=\"5457\"><span class=\"hover:entity-accent entity-underline inline cursor-pointer align-baseline\"><span class=\"whitespace-normal\">ZMSH<\/span><\/span> provides end-to-end LNOI wafer engineering solutions, including material design, wafer bonding process development, photonic device fabrication support, nanofabrication processes (EBL, IBE), and optical characterization services.<\/p>\n<p data-start=\"5459\" data-end=\"5641\">The production capability supports both R&amp;D-scale prototyping and small-to-medium batch manufacturing, with stable 6-inch production and ongoing development of 8-inch LNOI platforms.<\/p>\n<hr data-start=\"5643\" data-end=\"5646\" \/>\n<h1 data-section-id=\"hkd5a4\" data-start=\"5648\" data-end=\"5676\">Usein kysytyt kysymykset<\/h1>\n<p data-start=\"5678\" data-end=\"5831\">1. What is Thin-Film Lithium Niobate used for<br data-start=\"5720\" data-end=\"5723\" \/>It is used in integrated photonics, optical communication, quantum photonics, and nonlinear optical devices.<\/p>\n<p data-start=\"5833\" data-end=\"5990\">2.What is the typical thickness of the lithium niobate thin film<br data-start=\"5895\" data-end=\"5898\" \/>The film thickness typically ranges from 300 nm to 1000 nm depending on device requirements.<\/p>\n<p data-start=\"5992\" data-end=\"6164\">3.What are the advantages of LNOI over bulk lithium niobate<br data-start=\"6049\" data-end=\"6052\" \/>LNOI enables lower optical loss, higher integration density, and compatibility with silicon photonics platforms.<\/p>\n<p data-start=\"6166\" data-end=\"6290\">4.Is LNOI compatible with silicon photonics<br data-start=\"6207\" data-end=\"6210\" \/>Yes, LNOI can be integrated with silicon and silicon nitride photonic platforms.<\/p>","protected":false},"excerpt":{"rendered":"<p data-start=\"603\" data-end=\"732\">Thin-Film Lithium Niobate on Insulator (LNOI) wafers are engineered substrates for integrated photonic and electro-optic devices.<\/p>\n<p data-start=\"734\" data-end=\"893\">The platform consists of a single-crystal lithium niobate thin film bonded onto a buried oxide (SiO\u2082) layer, supported by a silicon or insulating handle wafer.<\/p>\n<p data-start=\"895\" data-end=\"1094\">This structure enables strong optical confinement, reduced propagation loss, and high electro-optic efficiency, making it one of the most important material platforms for modern integrated photonics.<\/p>","protected":false},"featured_media":2887,"comment_status":"open","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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