Patents by Inventor Frédéric Pommereail

Frédéric Pommereail 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).

  • Optical amplifier device
    Patent number: 6867911
    Abstract: The invention relates to an optical amplifier device including a semiconductor optical amplifier component (1) including a guide active structure (12), characterized in that the guide active structure (12) is subjected to a stress external to said component (1) coming from integrating said component (1) in said device, and in that said component (1) has a controlled sensitivity to the state of polarization of the light to be amplified in order to render the gain of said optical amplifier device insensitive to the polarization of said light to be amplified.
    Type: Grant
    Filed: August 20, 2001
    Date of Patent: March 15, 2005
    Assignee: Avanex Corporation
    Inventors: François Dorgeuille, Stéphane Rabaron, Frédéric Pommereail, Claude Artigue, Philippe Brosson