Patents by Inventor Cesara Rigo

Cesara Rigo 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 of providing electrical separation in intergrated devices and related device
    Publication number: 20070052018
    Abstract: An integrated device includes two sections, such as a DFB laser and an EAM modulator, having a semi-insulating separation region therebetween. The separation region is of a material acting as a trap on electrons and configured to impede current flow between the two sections due to holes. The separation region may be of a material acting as a trap both on electrons and holes. Alternatively, the separation region is of a material that acts as a trap on electrons and is provided over a p-type substrate common to the two sections.
    Type: Application
    Filed: July 31, 2006
    Publication date: March 8, 2007
    Inventors: Michele Agresti, Cesara Rigo, Marco Vallone