Patents by Inventor Chun-Sung Chien

Chun-Sung Chien 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).

  • Silicon optic based wavelength division multiplexing device
    Patent number: 7010190
    Abstract: The present invention discloses an optic based wavelength division multiplexer device made by a micro lithography and etching process, utilizing the special crystal lattice structure of a silicon wafer. The device comprises a silicon substrate with grooves, an input fiber optic of incoming port with its front lens, a fiber optic of pass port with its front lens, a fiber optic of reflect port with its front lens, and a thin-film filter. The fiber optics, lenses, and the thin-film filter are inserted into grooves to complete the fiber-to-fiber alignment and coupling. The present invention provides both functions of wavelength multiplexing and wavelength demultiplexing. The present invention also has the characteristics of automatic alignment and passive alignment.
    Type: Grant
    Filed: December 5, 2003
    Date of Patent: March 7, 2006
    Assignee: FOCI Fiber Optic Communications, Inc.
    Inventors: Chien-Hsiung Chiu, Chun-Sung Chien, Song-Fure Lin, Pin-Sung Wang
  • Silicon optic based wavelength division multiplexing device
    Publication number: 20050031258
    Abstract: The present invention discloses an optic based wavelength division multiplexer device made by a micro lithography and etching process, utilizing the special crystal lattice structure of a silicon wafer. The device comprises a silicon substrate with grooves, an input fiber optic of incoming port with its front lens, a fiber optic of pass port with its front lens, a fiber optic of reflect port with its front lens, and a thin-film filter. The fiber optics, lenses, and the thin-film filter are inserted into grooves to complete the fiber-to-fiber alignment and coupling. The present invention provides both functions of wavelength multiplexing and wavelength demultiplexing. The present invention also has the characteristics of automatic alignment and passive alignment.
    Type: Application
    Filed: December 5, 2003
    Publication date: February 10, 2005
    Inventors: Chien-Hsiung Chiu, Chun-Sung Chien, Song-Fure Lin, Pin-Sung Wang