Patents by Inventor Hubertus Suche

Hubertus Suche 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).

  • Rare-earth-doped lithium niobate waveguide structures
    Patent number: 5473722
    Abstract: In a waveguide structure with diffused rare-earth doping in a light channel arranged lithium niobate crystal surface, the rare-earth doping is arranged in an effective rare-earth doping region approximately coaxially with the light guide channel; the light guide channel is diffused directly frown the crystal surface and its expansion is laterally limited.
    Type: Grant
    Filed: July 28, 1993
    Date of Patent: December 5, 1995
    Assignee: Pirelli Cavi S.p.A.
    Inventors: Wolfgang Sohler, Hubertus Suche