Patents by Inventor Neil D Whitbread

Neil D Whitbread 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).

  • Optical power measurement in photonic integrated devices
    Patent number: 6614213
    Abstract: A photonic integrated device includes a waveguide of semiconductor material and a detector for measuring optical power of light traveling along the waveguide. The detector which is monolithically integrated into the device measures a photocurrent on an electrode which has been generated in the waveguide by two photon absorption.
    Type: Grant
    Filed: March 1, 2001
    Date of Patent: September 2, 2003
    Assignee: Bookham Technology p.l.c.
    Inventors: Neil D Whitbread, Andrew C Carter, Michael J Wale