Patents by Inventor Michael Graham Burt

Michael Graham Burt 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).

  • Patent number: 5881200
    Abstract: An optical fiber includes a tubular glass cladding with a central opening filled with a colloidal solution of quantum dots in a support medium. The quantum dots may be caused to produce luminescence in response to input optical radiation, for example to produce optical amplification or laser radiation. A waveguide with an active medium comprising colloidal quantum dots is provided.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: March 9, 1999
    Assignee: British Telecommunications public limited company
    Inventor: Michael Graham Burt