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:
Nov. 07, 2006
Filed:
Apr. 05, 2004
Applicants:
Shijie Gu, Sunnyvale, CA (US);
Zhanxiang Zhang, San Jose, CA (US);
Inventors:
Shijie Gu, Sunnyvale, CA (US);
Zhanxiang Zhang, San Jose, CA (US);
Assignee:
Rainbow Communications Inc., San Jose, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method and system for flattening tilt gain with a digital title gain equalizer ('DTGE') constructed with a linear tilt optical filter ('LTOF'). In a first embodiment, a DTGE flattens tilt gain with a combination of LTOF and a rotative half-wave plate. In a second embodiment, a DTGE flattens tilt gain with a combination of LTOF and variable Faraday rotators.