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. 24, 2015
Filed:
Jul. 30, 2013
Corning Incorporated, Corning, NY (US);
Kevin Wallace Bennett, Hammondsport, NY (US);
Konstantin Sergeevich Koreshkov, St. Petersburg, RU;
Andrey Evgenievich Korolev, St. Petersburg, RU;
Dmitri Vladislavovich Kuksenkov, Elmira, NY (US);
Ming Jun Li, Horseheads, NY (US);
Vladimir Nikolaevich Nazarov, St. Petersburg, RU;
Corning Incorporated, Corning, NY (US);
Abstract
According to some embodiments a few moded optical fiber includes a glass core structured to provide light amplification at an amplification wavelength and a cladding surrounding the core. According to some embodiments the core of the few moded optical fiber includes a portion that has an average concentration of rare earth dopant which is lower by at least 30%, and preferably by at least 50%, than the average concentration of the rare earth dopant at another portion of the core that is situated further from the core center.