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:
Aug. 07, 2012
Filed:
Apr. 19, 2010
Applicants:
Brent E. Little, Glen Head, NY (US);
Wei Chen, Ellicott City, MD (US);
Inventors:
Brent E. Little, Glen Head, NY (US);
Wei Chen, Ellicott City, MD (US);
Assignee:
Infinera Corporation, Sunnyvale, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/295 (2006.01); G02B 6/42 (2006.01);
U.S. Cl.
CPC ...
Abstract
A polarization beam splitter-polarization rotator-polarization beam combiner optical structure comprising a pair of polarization rotators having a polarization beam splitter associated with the input ends of the two polarization rotators, and a polarization beam combiner associated with output ends of the two polarization rotators, and a method of purifying a light signal comprising TE and TM modes by disassociating the primary TE and TM modes from first order splitter and rotation error components.