Patents by Inventor Ashish Tandon

Ashish Tandon 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).

  • Publication number: 20030161369
    Abstract: The long-wavelength photonic device comprises an active region that includes at least one quantum-well layer of a quantum-well layer material that comprises InyGa1-yAsSb in which y≧0, and that additionally includes a corresponding number of barrier layers each of a barrier layer material that includes gallium and phosphorus. The barrier layer material has a conduction-band energy level greater than the conduction-band energy level of the quantum-well layer material and has a valence-band energy level less than the valence-band energy level of the quantum-well layer material.
    Type: Application
    Filed: February 28, 2002
    Publication date: August 28, 2003
    Inventors: Ying-Lan Chang, Scott W. Corzine, Russell D. Dupuis, Min Soo Noh, Jae Hyun Ryou, Michael R.T. Tan, Ashish Tandon