The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 02, 2003
Filed:
Mar. 01, 2001
Applicant:
Inventors:
Neil D Whitbread, Northhampton, GB;
Andrew C Carter, Blisworth, GB;
Michael J Wale, Greens Norton, GB;
Assignee:
Bookham Technology p.l.c., , GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 3/102 ; G01R 3/100 ;
U.S. Cl.
CPC ...
G01R 3/102 ; G01R 3/100 ;
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.