Patents by Inventor Raktim Sarma

Raktim Sarma 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).

  • Efficient ultrathin all-dielectric nonlinear optical device
    Patent number: 11314145
    Abstract: An apparatus and method are provided for generating harmonic light from a pump beam that is impinged on a metasurface comprising a plurality of all-dielectric resonator bodies. A multiple quantum well structure formed in each resonator body includes asymmetric coupled quantum wells having intersubband transition frequencies that couple to Mie resonances of the resonator bodies.
    Type: Grant
    Filed: May 26, 2021
    Date of Patent: April 26, 2022
    Assignee: National Technology & Engineering Solutions of Sandia, LLC
    Inventors: Raktim Sarma, Igal Brener, Michael B. Sinclair, Salvatore Campione, John F. Klem