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:
Apr. 28, 2015
Filed:
Feb. 17, 2010
Applicants:
Stephen Jones, Northamptonshire, GB;
Robert Anthony Griffin, Towcester, GB;
Paul Firth, Stoke Gabriel, GB;
Adrian Perrin Janssen, Exeter, GB;
Colin Smith, Paignton, GB;
Inventors:
Stephen Jones, Northamptonshire, GB;
Robert Anthony Griffin, Towcester, GB;
Paul Firth, Stoke Gabriel, GB;
Adrian Perrin Janssen, Exeter, GB;
Colin Smith, Paignton, GB;
Assignee:
Oclaro Technology Limited, Northamptonshire, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 10/06 (2006.01); H04L 27/22 (2006.01); H04B 10/60 (2013.01); H04B 10/61 (2013.01); H04J 14/06 (2006.01); G02B 6/12 (2006.01); G02B 6/28 (2006.01);
U.S. Cl.
CPC ...
H04L 27/223 (2013.01); G02B 6/12004 (2013.01); G02B 6/2813 (2013.01); G02B 2006/12116 (2013.01); H04B 10/60 (2013.01); H04B 10/611 (2013.01); H04J 14/06 (2013.01);
Abstract
Optical devices are disclosed consisting of optical chips (planar lightwave circuits) which have optically symmetric or matching designs and properties and optical components which create asymmetry in the optical devices. The devices find application in detection in coherent and non-coherent optical communications systems.