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:
May. 11, 2010
Filed:
Feb. 02, 2006
Applicant:
Ian Lealman, Ipswich, GB;
Inventor:
Ian Lealman, Ipswich, GB;
Assignee:
The Centre For Integrated Photonics Limited, Ipswich, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/35 (2006.01); G02F 2/02 (2006.01); G02B 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical device for generating a beat frequency between two optical wavelengths includes two waveguides () of different width and a grating layer () that is common to both wave guides.