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. 20, 2010
Filed:
Oct. 11, 2006
Applicants:
Chien-hung Yeh, Jhudong Township, Hsinchu County, TW;
Sien Chi, Hsinchu, TW;
Inventors:
Chien-Hung Yeh, Jhudong Township, Hsinchu County, TW;
Sien Chi, Hsinchu, TW;
Assignee:
Industrial Technology Research Institute, Hsinchu, TW;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 6/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical amplifier is disclosed having a substantially uniform spectral gain. In an exemplary embodiment, the optical amplifier comprises a planar waveguide including a substrate, which includes a region doped with rare earth element. The optical amplifier also comprises an optical fiber including a core doped with the rare earth element. The optical fiber is optically coupled to the planar waveguide.