Patents by Inventor Yicheng SHI

Yicheng SHI 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).

  • Method and system for random number generation
    Patent number: 10635402
    Abstract: A method and system for random number generation. The method comprises the steps of exposing first and second photodetectors to the same mode of a first electromagnetic field in the presence of a mode in a vacuum state of a second electromagnetic field, such that an illumination of the first and second photodetectors is at least substantially balanced; and generating a random noise signal based on a photocurrent difference between the first and second photodetectors.
    Type: Grant
    Filed: March 1, 2017
    Date of Patent: April 28, 2020
    Assignee: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Yicheng Shi, Brenda Mei Yuen Chng, Christian Kurtsiefer
  • METHOD AND SYSTEM FOR RANDOM NUMBER GENERATION
    Publication number: 20190220250
    Abstract: A method and system for random number generation. The method comprises the steps of exposing first and second photodetectors to the same mode of a first electromagnetic field in the presence of a mode in a vacuum state of a second electromagnetic field, such that an illumination of the first and second photodetectors is at least substantially balanced; and generating a random noise signal based on a photocurrent difference between the first and second photodetectors.
    Type: Application
    Filed: March 1, 2017
    Publication date: July 18, 2019
    Applicant: NATIONAL UNIVERSITY OF SINGAPORE
    Inventors: Yicheng SHI, Brenda Mei Yuen CHNG, Christian KURTSIEFER