Patents by Inventor Howard John Wickes

Howard John Wickes 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).

  • Laser
    Patent number: 5978400
    Abstract: A laser includes first and second feedback elements defining a laser cavity, and a gain medium within the laser cavity. The gain medium has first and second facets and an optical waveguide for guiding optical radiation between said first and second facets. The second feedback element is wavelength selective, and the optical waveguide is configured to direct optical radiation at an angle .theta. to the normal of the second facet.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: November 2, 1999
    Assignee: British Telecommunications public limited company
    Inventors: Robert John Campbell, Richard Wyatt, Gerard Sherlock, Jonathan Richard Armitage, Michael Charles Brierley, Roger Alyn Payne, Douglas Williams, Michael James Robertson, Howard John Wickes