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.

Date of Patent:
May. 09, 2006

Filed:

Apr. 16, 2004
Applicants:

Seong-taek Hwang, Pyeongtaek-si, KR;

Yun-je OH, Yongin-si, KR;

Kwan-soo Lee, Seoul, KR;

Inventors:

Seong-Taek Hwang, Pyeongtaek-si, KR;

Yun-Je Oh, Yongin-si, KR;

Kwan-Soo Lee, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 6/26 (2006.01); H01S 3/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A dual-port broadband light source with independently controllable output powers includes a broadband light source having a first gain medium pumped by an input pump light in order to output a first amplified spontaneous emission through both ends thereof. A second gain medium pumped by another input pump light in order to output a second amplified spontaneous emission through both ends thereof. A reflector disposed between the opposite ends of the first and second gain mediums to reflect the input first and second amplified spontaneous emissions. The first and second amplified spontaneous emissions output from the first and second gain mediums are then output to the outside through first and second output terminals.


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