Patents by Inventor Michel Gadonna

Michel Gadonna 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).

  • Method and apparatus for wavelength switching of a laser source
    Patent number: 6937792
    Abstract: A method and apparatus for wavelength switching a laser source. An external cavity (2) having a Bragg grating (5) is provided in an optical fiber (4). Space division switching is performed in the external cavity between a plurality of optical fibers (4) each having a different Bragg grating (5). A space division switch (3) is provided in the external cavity for switching between a plurality of optical fibers (4) each carrying a different Bragg grating (5).
    Type: Grant
    Filed: January 19, 2001
    Date of Patent: August 30, 2005
    Assignee: France Telecom
    Inventors: Philippe Chanclou, Monique Thual, Michel Gadonna, Arnaud Laurent
  • Method and device for wavelength switching of a laser source
    Publication number: 20030128921
    Abstract: The present invention relates to a method and to Apparatus for wavelength switching a laser source comprising an external cavity (2) having a Bragg grating (5) in an optical fiber (4). The method consists in performing space division switching in the external cavity between a plurality of optical fibers (4) each having a different Bragg grating (5). The apparatus comprises a space division switch (3) in the external cavity for switching between a plurality of optical fibers (4) each carrying a different Bragg grating (5).
    Type: Application
    Filed: October 4, 2002
    Publication date: July 10, 2003
    Inventors: Philippe Chanclou, Monique Thual, Michel Gadonna, Arnaud Laurent