{"product_id":"lithium-tantalate-thin-film-on-insulator-ltoi-wafers","title":"AMO Scientific Lithium Tantalate Thin Film on Insulator (LTOI) Wafers","description":"\u003ch2 class=\"PDq2pG_selectionAnchorContainer\"\u003eAMO Scientific Lithium Tantalate Thin Film on Insulator (LTOI) Wafers\u003c\/h2\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cstrong\u003eLithium Tantalate Thin Film on Insulator (LTOI) wafer\u003c\/strong\u003e is a layered semiconductor\/photonics substrate that places a very thin single-crystal layer of \u003cstrong\u003elithium tantalate, LiTaO₃\u003c\/strong\u003e, on top of an insulating layer, usually SiO₂.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eA typical structure is:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThin-film LiTaO₃\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eSiO₂ insulating layer\u003c\/strong\u003e\u003cbr\u003e↓\u003cbr\u003e\u003cstrong\u003eSilicon or LiTaO₃ handle substrate\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0596\/3644\/9362\/files\/LTOI_wafer_03.jpg?v=1787162136\" alt=\"\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBulk lithium tantalate has long been used for acoustic and electro-optic devices, but putting it into a sub-micron thin-film structure gives much stronger optical confinement. This makes it possible to fabricate compact waveguides, resonators, modulators, and other photonic integrated circuits. Recent wafer-scale research has demonstrated LTOI made by \u003cstrong\u003eion implantation\/ion cutting followed by wafer bonding\u003c\/strong\u003e, similar in concept to SOI and LNOI manufacturing. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eLTOI is particularly attractive because LiTaO₃ has:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStrong electro-optic\/Pockels effect\u003c\/strong\u003e → useful for high-speed optical modulators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiezoelectric properties\u003c\/strong\u003e → useful for SAW\/RF filters and acousto-optic devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNonlinear optical properties\u003c\/strong\u003e → wavelength conversion, frequency combs, etc.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh optical-damage resistance and good thermal\/bias stability\u003c\/strong\u003e relative to lithium niobate in some applications. \u003cspan class=\"contents\"\u003e\u003cspan class=\"\"\u003e\u003c\/span\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003ePotential for \u003cstrong\u003elow-loss integrated photonics\u003c\/strong\u003e; recent work has demonstrated LTOI waveguides with losses well below 0.1 dB\/cm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis makes LTOI useful for devices such as:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eHigh-speed electro-optic modulators\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003ePhotonic integrated circuits (PICs)\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eSAW\/BAW and RF filters\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eAcousto-optic devices\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOptical resonators\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNonlinear optics\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eQuantum photonics\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eMicrowave-to-optical conversion\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eOptical signal processing\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eAMO Scientific can customize the LiTaO\u003csub\u003e3\u003c\/sub\u003e orientation\/thin film thickness, SiO\u003csub\u003e2\u003c\/sub\u003e layer thickness and substrate material. Please contact us to discuss your need.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e Sample Wafer Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable width=\"462\" style=\"width: 562px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" width=\"462\" style=\"text-align: center; width: 545px;\"\u003eGeneral Wafer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eStructure\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\n\u003cspan\u003eLiTaO\u003c\/span\u003e\u003csub\u003e3\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003e\/ Oxide \/ Si\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eDiameter\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003eΦ100 ± 0.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eThickness\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e525 ± 20 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003ePrimary Flat Length\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e32.5 ± 2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eWafer Beveling\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003eR Type\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTTV\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 10\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eμm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLTV\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1.5 μm (5∗5 mm\u003csup\u003e2\u003c\/sup\u003e) \/ 95%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBow\u003c\/td\u003e\n\u003ctd\u003e± 50 μm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarp\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 50\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003eμm\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eEdge Exclusion\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eEdge Trimming\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e2 ± 0.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"width: 545px; text-align: center;\"\u003eLithium Tantalate Layer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eAverage Thickness\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e600 ± 20 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eOrientation\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\n\u003cspan\u003eX axis ± \u003c\/span\u003e0.3°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Flat\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePerpendicular to +Z Axis ± 1°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eFront Surface Roughness (Ra)\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\u0026lt; 0.5 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eDefects\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\n\u003cp class=\"p1\" style=\"text-align: left;\"\u003eWithin 150 total\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"width: 545px; text-align: center;\"\u003eIsolation SiO\u003csub\u003e2\u003c\/sub\u003e\u003cspan\u003e \u003c\/span\u003eLayer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eThickness\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e4700 ± 100 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUniformity\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100nm @17 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"2\" style=\"text-align: center; width: 545px;\"\u003eSubstrate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003eSi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eResistivity\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\u003cspan\u003e\u0026gt; 10 kΩ·cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eOrientation\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\u003cspan\u003e\u0026lt;100\u0026gt; ± 1°\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003ePrimary Flat Orientation\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003e\u0026lt;110\u0026gt;\u003cspan\u003e \u003c\/span\u003e\u003cspan\u003e± 1°\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 272.938px;\"\u003eBackside\u003c\/td\u003e\n\u003ctd style=\"width: 272.062px;\"\u003eEtched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"AMO Scientific","offers":[{"title":"Default Title","offer_id":42633680584786,"sku":"AMO-LTOI001","price":5000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0596\/3644\/9362\/files\/LNOIwafer02_28006356-d2f4-4760-b6cf-f580c13cdf96.png?v=1786656466","url":"https:\/\/www.amoscientific.com\/products\/lithium-tantalate-thin-film-on-insulator-ltoi-wafers","provider":"AMO Scientific","version":"1.0","type":"link"}