Patents by Inventor Bimal K. Nayar

Bimal K. Nayar 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).

  • Non-linear inferferometer
    Patent number: 5058986
    Abstract: An optical fibre, loop interferometer (31) is formed from germania doped silica which exhibits Raman scattering at a threshold intensity to provide a transmitted optical signal from port (49) of coupler (35) whose intensity is a sigmoid function of the intensity of an optical signal input at port (39). It finds application in optical switching and logic operations on optical pulses.
    Type: Grant
    Filed: December 11, 1989
    Date of Patent: October 22, 1991
    Assignee: British Telecommunications public limited company
    Inventors: Bimal K. Nayar, Keith J. Blow, Nicholas J. Doran