Patents by Inventor Tauhid Zaman

Tauhid Zaman 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).

  • Magnetically active semiconductor waveguides for optoelectronic integration
    Patent number: 7130494
    Abstract: A magneto-optical device includes a waveguide structure that has at least one cladding region and core region. The cladding region and core region comprise semiconductor alloy materials. Either the at least one cladding region or the core region is doped with ferromagnetic materials so as to increase the magneto-optical activity of the device.
    Type: Grant
    Filed: December 30, 2003
    Date of Patent: October 31, 2006
    Assignee: Massachusetts Institute of Technology
    Inventors: Rajeev J. Ram, Tauhid Zaman, Xiaoyun Guo
  • Magnetically active semiconductor waveguides for optoelectronic integration
    Publication number: 20040223719
    Abstract: A magneto-optical device includes a waveguide structure that has at least one cladding region and core region. The cladding region and core region comprise semiconductor alloy materials. Either the at least one cladding region or the core region is doped with ferromagnetic materials so as to increase the magneto-optical activity of the device.
    Type: Application
    Filed: December 30, 2003
    Publication date: November 11, 2004
    Inventors: Rajeev J. Ram, Tauhid Zaman, Xiaoyun Guo