Patents by Inventor Yannick Bourbin

Yannick Bourbin 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 for making an optoelectronic amplifier device, and applications to various optoelectronic
    Patent number: 5424242
    Abstract: A method for making an optical amplifier according to which a stack of the following layers is made by epitaxy: a first optical guiding layer; a first chemical attack barrier layer; a second optical guiding layer; a second chemical attack barrier layer; an active layer; a confinement layer; and a contact layer. Then at least one amplifier element followed by an optical guide located beneath this amplifier element are etched in these layers. The method can be applied to the making of optoelectronic devices such as modulators, change-over switches, distributors, etc.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: June 13, 1995
    Assignee: Thomson-CSF
    Inventors: Robert Blondeau, Yannick Bourbin, Daniel Rondi