Patents by Inventor Vijay K. Narasimhan

Vijay K. Narasimhan 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).

  • Metal-dielectric hybrid surfaces as integrated optoelectronic interfaces
    Patent number: 9537024
    Abstract: An optoelectronic device has a hybrid metal-dielectric optoelectronic interface including an array of nanoscale dielectric resonant elements (e.g., nanopillars), and a metal film disposed between the dielectric resonant elements and below a top surface of the resonant elements such that the dielectric resonant elements protrude through the metal film. The device may also include an anti-reflection coating. The device may further include a metal film layer on each of the dielectric resonant elements.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: January 3, 2017
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventors: Vijay K. Narasimhan, Thomas M. Hymel, Ruby A. Lai, Yi Cui
  • Metal-dielectric hybrid surfaces as integrated optoelectronic interfaces
    Publication number: 20160322517
    Abstract: An optoelectronic device has a hybrid metal-dielectric optoelectronic interface including an array of nanoscale dielectric resonant elements (e.g., nanopillars), and a metal film disposed between the dielectric resonant elements and below a top surface of the resonant elements such that the dielectric resonant elements protrude through the metal film. The device may also include an anti-reflection coating. The device may further include a metal film layer on each of the dielectric resonant elements.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Inventors: Vijay K. Narasimhan, Thomas M. Hymel, Ruby A. Lai, Yi Cui
  • Nanophotonic light-field sensor
    Patent number: 9140602
    Abstract: A light field sensor for a 4D light field camera has a layer of nanoscale resonator detector elements, such as silicon nanoshells, below a layer of dielectric microlenses. By taking advantage of photonic nanojets in the microlenses and circulating resonances in nanoshells, the light field camera sensor achieves improved sensitivity, pixel density, and directional resolution even at large angles of incidence.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: September 22, 2015
    Assignee: The Board of Trustees of the Leland Stanford Junior University
    Inventor: Vijay K. Narasimhan
  • Nanophotonic light-field sensor
    Publication number: 20140043611
    Abstract: A light field sensor for a 4D light field camera has a layer of nanoscale resonator detector elements, such as silicon nanoshells, below a layer of dielectric microlenses. By taking advantage of photonic nanojets in the microlenses and circulating resonances in nanoshells, the light field camera sensor achieves improved sensitivity, pixel density, and directional resolution even at large angles of incidence.
    Type: Application
    Filed: August 9, 2013
    Publication date: February 13, 2014
    Inventor: Vijay K. Narasimhan