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:
Oct. 08, 1996
Filed:
Aug. 25, 1995
Applicant:
Inventors:
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S / ; H04B / ; H04J / ;
U.S. Cl.
CPC ...
359341 ; 359124 ; 359134 ; 359160 ;
Abstract
An optical fiber amplifier for optically amplifying a plurality of signals having different wavelengths includes a series of rare earth doped optical fibers and at least one pump light source generating pump light for exciting the series of rare earth doped optical fibers. A first signal among the plurality of signals propagates through a part of the series of rare earth doped optical fibers, and a second signal among the plurality of signals propagates through all of the series of rare earth doped optical fibers.