Apparatus and method for minimizing wavelength chirp of laser devices
    5.
    发明授权
    Apparatus and method for minimizing wavelength chirp of laser devices 有权
    最小化激光器件波长啁啾的装置和方法

    公开(公告)号:US06678301B1

    公开(公告)日:2004-01-13

    申请号:US09616537

    申请日:2000-07-14

    IPC分类号: H01S319

    摘要: An improved semiconductor laser (distributed feedback or Bragg reflector laser) is disclosed, having reducing wavelength chirping. In a laser having a substrate, an optical waveguide layer disposed on the substrate with a grating region, and a cladding region disposed on the optical waveguide layer, an isolation region is positioned in at least one of the substrate, optical waveguide layer, and cladding layer. The isolation region is comprised of a material adapted to increase the resistivity of the one or more layers in which it is placed to reduce electrical cross-talk and wavelength chirping. Preferably, the isolation region is positioned in at least the cladding layer, which the inventors have found is the greatest contributor of cross-talk and wavelength chirping.

    摘要翻译: 公开了一种改进的半导体激光器(分布式反馈或布拉格反射激光器),其具有减少的波长啁啾。 在具有基板的激光器中,设置在具有光栅区域的基板上的光波导层和设置在光波导层上的包层区域,隔离区域位于基板,光波导层和包层中的至少一个 层。 隔离区域由适于增加其放置的一个或多个层的电阻率的材料组成,以减少电串扰和波长线性调频。 优选地,隔离区位于至少包层中,发明人已经发现它是串扰和波长啁啾的最大贡献者。

    Soldering an optical component to a substrate
    6.
    发明授权
    Soldering an optical component to a substrate 有权
    将光学部件焊接到基板上

    公开(公告)号:US06368888B1

    公开(公告)日:2002-04-09

    申请号:US09252724

    申请日:1999-02-19

    IPC分类号: H01C2100

    摘要: The invention is an assembly and method for bonding an optical component to a base member. The component is mounted to a block which includes a centerline extending between two opposing surfaces. A pair of stop members are included on the surface of the base member, and these members serve to pin the centerline during heating and cooling of the assembly so that the position of the component is controlled.

    摘要翻译: 本发明是用于将光学部件接合到基底部件的组件和方法。 该部件安装到包括在两个相对表面之间延伸的中心线的块。 一对止动构件被包括在基座构件的表面上,并且这些构件用于在组件的加热和冷却期间固定中心线,从而控制构件的位置。

    Method for aligning the optical fiber and laser of fiber-optic laser modules
    7.
    发明授权
    Method for aligning the optical fiber and laser of fiber-optic laser modules 失效
    对准光纤激光模块的光纤和激光的方法

    公开(公告)号:US06244755B1

    公开(公告)日:2001-06-12

    申请号:US09199092

    申请日:1998-11-24

    IPC分类号: G02B636

    摘要: A method for maximizing the coupling efficiency of a fabricated fiber-optic laser module by deforming the module. In a first embodiment, the method can use a plurality of previously determined influence coefficients to determine how to deform the module, wherein such deformation aligns the focal point of the optical fiber and the laser to maximize the coupling efficiency. Alternatively, in a second embodiment of the present invention, the method is implemented without the use of influence coefficients, wherein the changes in the coupling efficiency resulting from deforming the module are observed to determine which deformations will maximize the coupling efficiency. Irrespective of which embodiment of the present invention is used, the module is deformed to account for its elastic properties by deforming the module beyond the final shape it attains when the coupling efficiency is maximized.

    摘要翻译: 通过使模块变形来最大化制造的光纤激光器模块的耦合效率的方法。 在第一实施例中,该方法可以使用多个先前确定的影响系数来确定如何使模块变形,其中这种变形对准光纤和激光器的焦点以使耦合效率最大化。 或者,在本发明的第二实施例中,该方法在不使用影响系数的情况下实现,其中观察到由于模块变形而引起的耦合效率的变化,以确定哪些变形将使耦合效率最大化。 不管使用本发明的哪个实施例,通过使模块变形超过当耦合效率最大化时所达到的最终形状,该模块变形以考虑其弹性。

    Article comprising a stable, low-resistance ohmic contact
    8.
    发明授权
    Article comprising a stable, low-resistance ohmic contact 失效
    文章包含稳定的低电阻欧姆接触

    公开(公告)号:US06222863B1

    公开(公告)日:2001-04-24

    申请号:US09017103

    申请日:1998-01-31

    IPC分类号: H01S318

    摘要: A stable, reliable ohmic contact, and improved semiconductor articles and opto-electronic circuits incorporating same, are disclosed. According to an illustrative embodiment of the invention, an ohmic contact having a plurality of thermodynamically-stable layers and layer interfaces is formed by providing a structure comprising multiple, appropriately-thick and specifically-organized layers of suitably-selected material, and exposing the structure to heat to cause reaction to take place between the various layers. Due to the thermodynamic stability of the resulting reacted layers and the interfaces between such layers, there is substantially no tendency for further reaction to occur within the ohmic contact.

    摘要翻译: 公开了一种稳定,可靠的欧姆接触,以及改进的半导体产品和结合其的光电子电路。 根据本发明的说明性实施例,具有多个热力学稳定层和层界面的欧姆接触通过提供包括多个适当选择的材料的多个适当厚度和特定组织的层的结构而形成, 以加热以在各层之间发生反应。 由于所得反应层的热力学稳定性和这些层之间的界面,基本上没有在欧姆接触内发生进一步反应的趋势。