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:
Apr. 04, 2017
Filed:
Nov. 30, 2015
Applicant:
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Inventor:
Toshihiro Ohtani, Yokohama, JP;
Assignee:
FUJITSU LIMITED, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/10 (2006.01); H01S 3/067 (2006.01); H01S 3/13 (2006.01); H04J 14/02 (2006.01); H01S 3/23 (2006.01); H04B 10/291 (2013.01); H04B 10/572 (2013.01); H01S 3/04 (2006.01);
U.S. Cl.
CPC ...
H01S 3/10015 (2013.01); H04B 10/291 (2013.01); H04B 10/572 (2013.01); H04J 14/0212 (2013.01); H01S 3/04 (2013.01); H01S 3/06704 (2013.01); H01S 3/1301 (2013.01); H01S 3/2383 (2013.01);
Abstract
An arrayed optical amplifier includes: at least one first amplifier including a first excitation light source controlled to a first temperature; at least one second amplifier including a second excitation light source controlled to a second temperature different from the first temperature; and a control circuit coupled to the at least one first amplifier and the at least one second amplifiers.