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:
Dec. 25, 2001
Filed:
Jan. 25, 1999
Applicant:
Inventors:
Katsuya Kurotori, Tokyo, JP;
Haruki Ogoshi, Tokyo, JP;
Assignee:
The Furukawa Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 1/004 ;
U.S. Cl.
CPC ...
H04B 1/004 ;
Abstract
An optical transmitter provided with a supercontinuum light source,which is composed of an optical amplifier,made by using a polarization maintaining amplification fiber,and a polarization maintaining fiber,which has a length of at least a specified value, is connected to the output side of the optical amplifier,and emits light having a continuous wave and a stable plane of polarization, a polarization maintaining optical demultiplexer,which takes out a light with a desired wavelength from the continuous wave light, and an external modulator,which superposes desired information upon the light with the desired wavelength.