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:
Dec. 24, 2008
Applicants:
Charles H. Joyner, Sunnyvale, CA (US);
Scott Corzine, Sunnyvale, CA (US);
Masaki Kato, Palo Alto, CA (US);
Mehrdad Ziari, Pleasanton, CA (US);
Inventors:
Charles H. Joyner, Sunnyvale, CA (US);
Scott Corzine, Sunnyvale, CA (US);
Masaki Kato, Palo Alto, CA (US);
Mehrdad Ziari, Pleasanton, CA (US);
Assignee:
Infinera Corporation, Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A modulator is disclosed that includes three arms between a splitter portion and a coupler portion. The modulator typically requires at most a π/2 phase shift between constellation points. Accordingly, the modulator is more efficient and consumes less power.