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:
Jul. 16, 2002
Filed:
Sep. 12, 2000
Applicant:
Inventors:
Dominique Bayart, Clamart, FR;
José Chesnoy, Paris, FR;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01S 3/00 ;
U.S. Cl.
CPC ...
H01S 3/00 ;
Abstract
To optimize the efficiency of optical amplifiers operating in the L-band, an L-band optical amplifier includes a doped fiber having a cut-off wavelength greater than 1 535 nm and a coupler for coupling into the fiber a pump supplying light in the C-band. The C-band pump is a high-power pump, with a power rating of at least 10 mW, which supplies at least 10% of the pumping energy. A pump operating at a wavelength below the C-band can also be coupled into the fiber, for example a 980 nm or 1 480 nm pump.
Bayart, Dominique. (2002). L-band optical fiber amplifier (U.S. Patent No. 6421171). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6421171
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile