Patents by Inventor Serge Slempkes

Serge Slempkes 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).

  • Semiconductor emission device with fast wavelength modulation
    Patent number: 5808314
    Abstract: The present invention relates to a semiconductor emission device with fast wavelength modulation and constituted by three sections, namely two lateral sections, each having an active layer and a DFB network and which produce an optical gain, connected across a central electroabsorbant section, to which is applied a reverse voltage making it possible to quasi-instantaneously modify the absorption rate in said section.
    Type: Grant
    Filed: August 30, 1996
    Date of Patent: September 15, 1998
    Assignee: France Telecom
    Inventors: Hisao Nakajima, Josette Charil, Serge Slempkes