Patents by Inventor Christian B. Stagarescu

Christian B. Stagarescu 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).

  • SINGLE LONGITUDINAL MODE LASER DIODE
    Publication number: 20110032967
    Abstract: A single-mode, etched facet distributed Bragg reflector laser includes an AlGaInAs/InP laser cavity, a front mirror stack with multiple Fabry-Perot elements, a rear DBR reflector, and a rear detector. The front mirror stack elements and the rear reflector elements include input and output etched facets, and the laser cavity is an etched ridge cavity, all formed from an epitaxial wafer by a two-step lithography and CAIBE process.
    Type: Application
    Filed: October 20, 2010
    Publication date: February 10, 2011
    Inventors: Alex A. Behfar, Kiyofumi Muro, Christian B. Stagarescu, Alfred T. Schremer