Patents by Inventor John L. Stacy

John L. Stacy 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 fiber light amplifier
    Patent number: 5838868
    Abstract: A glass fiber suitable for use in a light amplifier or laser application which includes an inner cylindrical glass core with a substantially uniform layer of a direct band gap semiconductor material surrounding said core, and a substantially uniform layer of an outer glass cladding surrounding said semiconductor layer. The preform from which the fiber is made is also disclosed.
    Type: Grant
    Filed: June 30, 1995
    Date of Patent: November 17, 1998
    Assignee: Syracuse University
    Inventors: Mark F. Krol, Philipp Kornreich, John L. Stacy, Raymond K. Boncek