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.:

US 7460298 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 02, 2008

Filed:

Jan. 30, 2003
Applicants:

Jinghui LI, San Jose, CA (US);

Genzao Zhang, Ottawa, CA;

Tongqing Wang, Los Altos, CA (US);

Tiangong Liu, Mountain View, CA (US);

Inventors:

Jinghui Li, San Jose, CA (US);

Genzao Zhang, Ottawa, CA;

Tongqing Wang, Los Altos, CA (US);

Tiangong Liu, Mountain View, CA (US);

Assignee:

Oplink Communications, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/17 (2006.01); H04B 10/12 (2006.01);
U.S. Cl.
CPC ...
Abstract

An apparatus is provided comprising a dual optical amplifier. The two optical amplifiers are integrated, in that they share at a set of optical, electrical, or opto-electrical components. The two optical amplifiers may share a pump laser. Alternatively, the optical amplifiers may share photo-detectors. Methods of controlling the signal strength of output signals are also provided. A chip-based integrated optical dual amplifier, using Erbium-Doped Waveguides, is also provided.


Find Patent Forward Citations

Quick Actions:

Li, Jinghui. (2008). Integrated optical dual amplifier (U.S. Patent No. 7460298). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7460298

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…