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:
Oct. 31, 2000

Filed:

Nov. 04, 1998
Applicant:
Inventors:

Jong Heo, Pohang, KR;

Se-ho Park, Seoul, KR;

Dong-wook Shin, Suwon, KR;

Hyoun-soo Kim, Sungnam, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; H01S / ; H01S / ; C03C / ;
U.S. Cl.
CPC ...
385141 ; 385142 ; 385123 ; 372-6 ; 359341 ; 501 37 ; 501 42 ; 501140 ; 501152 ; 501 94 ;
Abstract

A Ge--Ga--S-based glass composition for performing an optical amplification and an apparatus for optical communications using the same are provided. In the glass composition according to the present invention, an active material for performing luminescence and optical amplification operations is added to the Ge--Ga--S host glass and a transition metal ion moving the distribution of optical amplification gains is added in a range from 0.01 mole % to 0.2 mol %.


Find Patent Forward Citations

Loading…