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    • 3. 发明授权
    • Semiconductor laser with integrated contact and waveguide
    • 具有集成接触和波导的半导体激光器
    • US08023546B2
    • 2011-09-20
    • US12564302
    • 2009-09-22
    • Andre StrittmatterChristopher L. ChuaNoble M. Johnson
    • Andre StrittmatterChristopher L. ChuaNoble M. Johnson
    • H01S5/00
    • H01S5/34333B82Y20/00H01S5/0213H01S5/0425H01S5/0655H01S5/2202H01S2301/18
    • A semiconductor light-emitting device has, in place of a traditional separate cladding layer and contact structure, a non-epitaxial contact and waveguide layer. The non-epitaxial contact and waveguide layer is formed of a conductive material and such that it has a recess therein and over the injection region. Air filling the region together with appropriate choice of material for the non-epitaxial contact and waveguide layer creates desired lateral waveguiding. Metallic silver in one choice for this material. The recess may also be filled with a low-loss material having a refractive index higher than that of the material forming the non-epitaxial contact and waveguide layer. Transparent conductive oxides (e.g., indium tin oxide (ITO), zinc oxide (ZnO), etc.), appropriate metal (e.g., gold), or a composite comprising a conductive oxide and a metal, provide low absorption in the UV and near-IR wavelengths of interest, and are thus good candidate materials for within the recess.
    • 一种半导体发光器件代替传统的独立包层和接触结构,具有非外延接触和波导层。 非外延接触和波导层由导电材料形成,并且其在其中和在注入区域上具有凹部。 填充该区域的空气与用于非外延接触和波导层的材料的适当选择产生所需的横向波导。 金属银在这种材料的一个选择。 该凹部也可以填充折射率高于形成非外延接触和波导层的材料的折射率的低损耗材料。 透明导电氧化物(例如,氧化铟锡(ITO),氧化锌(ZnO)等),合适的金属(例如,金)或包含导电氧化物和金属的复合材料在UV和附近提供低吸收 -IR波长,因此是凹陷内的良好候选材料。