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:
Feb. 20, 2007
Filed:
Apr. 07, 2004
Applicants:
Falgun D. Patel, Pacifica, CA (US);
Jeffrey N. Miller, Los Altos Hills, CA (US);
Inventors:
Falgun D. Patel, Pacifica, CA (US);
Jeffrey N. Miller, Los Altos Hills, CA (US);
Assignee:
Avago Technologies Fiber IP (Singapore) Pte. Ltd., Singapore, SG;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01S 3/00 (2006.01); C03B 37/075 (2006.01);
U.S. Cl.
CPC ...
Abstract
The optical amplifier has a waveguide including a core and a cladding. The cladding at least partially surrounds the core and is doped with at least one species of rare earth ion in the range of 5 to 75 wt %. In another embodiment, the core is doped with Erin the range of 7 to 9 wt % and with Ybin the range of 11 to 13 wt %.