Patents by Inventor Alfonso Amparan

Alfonso Amparan has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Electro-absorption modulator
    Patent number: 7233709
    Abstract: Embodiments of the invention provide an electro-absorption modulator including an optical waveguide and a microwave waveguide. The microwave waveguide is electromagnetically coupled to the optical waveguide. The optical waveguide includes a quantum well region and a substantially sinusoidal structure. The waveguide mode of the optical waveguide is responsive to the substantially sinusoidal structure.
    Type: Grant
    Filed: November 4, 2003
    Date of Patent: June 19, 2007
    Assignee: Avago Technologies Fiber IP (Singapore) Ltd. Pte.
    Inventors: David Gines, Russell W. Gruhlke, Alfonso Amparan
  • Electro-absorption modulator
    Publication number: 20050094914
    Abstract: Embodiments of the invention provide an electro-absorption modulator including an optical waveguide and a microwave waveguide. The microwave waveguide is electromagnetically coupled to the optical waveguide. The optical waveguide includes a quantum well region and a substantially sinusoidal structure. The waveguide mode of the optical waveguide is responsive to the substantially sinusoidal structure.
    Type: Application
    Filed: November 4, 2003
    Publication date: May 5, 2005
    Inventors: David Gines, Russell Gruhlke, Alfonso Amparan