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. 17, 2015
Filed:
Jun. 09, 2013
Applicant:
Alliance Fiber Optic Products, Inc., Sunnyvale, CA (US);
Inventors:
Bruce Peng, Fremont, CA (US);
Yao Li, Newark, CA (US);
Assignee:
Alliance Fiber Optic Products, Inc., Sunnyvale, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 5/12 (2006.01); G02B 6/293 (2006.01); H01S 5/14 (2006.01); H01S 3/30 (2006.01); G02B 3/00 (2006.01);
U.S. Cl.
CPC ...
G02B 6/29379 (2013.01); G02B 3/0056 (2013.01); G02B 3/0087 (2013.01); G02B 6/2938 (2013.01); G02B 6/29395 (2013.01); H01S 3/302 (2013.01); H01S 5/12 (2013.01); H01S 5/141 (2013.01);
Abstract
Techniques for monitoring optical power, dispersion and mode distribution in high speed multimode fiber are described. According to one aspect of the present invention, a multimode optical tap filter is disclosed. The tap filter is dispersionless and tap ratio independent, and packaged in a 3-port form factor. To be efficient in cost, at least two such optical tab filters are packaged in one device while sharing a single thin film filter provided to reflect a predefined portion of a signal being monitored.