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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.:

US 9020367 B1

PDFFull Text
Date of Patent:
Apr. 28, 2015

Filed:

Feb. 17, 2010

Optical chips and devices for optical communications

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:

Fenwick & West LLP

Primary Examiner:

Ken Vanderpuye

Assistant Examiner:

Jai Lee

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.

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Jones, Stephen. (2015). Optical chips and devices for optical communications (U.S. Patent No. 9020367). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9020367

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