Patents by Inventor Judson Douglas Ryckman

Judson Douglas Ryckman 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).

  • WAVELENGTH DEMULTIPLEXER
    Publication number: 20190158209
    Abstract: There is disclosed in one example a fiberoptic communication circuit for wavelength division multiplexing (WDM) communication, including: an incoming waveguide to receive an incoming WDM laser pulse; an intermediate slab including a demultiplexer circuit to isolate n discrete modes from the incoming WDM laser pulse; n outgoing waveguides to receive the n discrete modes, the outgoing waveguides including fully-etched rib-to-channel waveguides; and an array of n photodetectors to detect the n discrete modes.
    Type: Application
    Filed: December 28, 2018
    Publication date: May 23, 2019
    Applicant: Intel Corporation
    Inventors: Wenhua Lin, Judson Douglas Ryckman, Ling Liao, Kelly Christopher Magruder, Harel Frish, Assia Barkai, Han-din Liu, Yimin Kang