Patents by Inventor Jeng-Cherng Dung

Jeng-Cherng Dung 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).

  • Dispersion slope compensator
    Patent number: 6222957
    Abstract: A dispersion slope compensator includes a dispersion compensation fiber, an optical circulator and a plurality of fiber gratings. The optical circulator is connected between an optical fiber and the dispersion compensation fiber for introducing mixed optical signals propagating in the optical fiber into the dispersion compensation fiber. The fiber gratings are provided at predetermined positions of the dispersion compensation fiber so as to respectively reflect the mixed optical signals back to the optical fiber through the optical circulator. Thus, accumulated dispersions of the mixed optical signals are fully compensated due to different propagating distances of each of the mixed optical signals in the dispersion compensation fiber.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: April 24, 2001
    Assignee: Uconn Technology Inc.
    Inventors: Samuel I-En Lin, Win-Yann Jang, Jeng-Cherng Dung, Sien Chi