Patents by Inventor Alfred Joseph Negri

Alfred Joseph Negri 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).

  • Patent number: 6090635
    Abstract: A heterostructure device includes a ridge-waveguide laser monolithically integrated with a ridge-waveguide rear facet monitor (RFM). An integral V-groove etched directly into the device substrate enables passive alignment of an optical fiber to the active region of the laser. The layer and RFM facets were formed using an in-situ multistep reactive ion etch process.
    Type: Grant
    Filed: June 9, 1999
    Date of Patent: July 18, 2000
    Assignee: GTE Laboratories Incorporated
    Inventors: Mark Alan Rothman, Chan-Long Shieh, Craig Alfred Armiento, John Alvin Thompson, Alfred Joseph Negri