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:
Mar. 29, 2005
Filed:
Dec. 27, 2002
Hong-seok Seo, Daejon-Shi, KR;
Yong Gyu Choi, Daejon-Shi, KR;
Kyong Hon Kim, Daejon-Shi, KR;
Electronics and Telecommunication Research Institute, Daejon-Shi, KR;
Abstract
The present invention relates to a transmission optical fiber. The transmission optical fiber including a core and a cladding made of SiOis characterized in that GeOand F are doped in SiOof the core and the cladding. Therefore, a high Raman gain coefficient could be obtained while a desired dispersion value and a non-linearity are maintained, by controlling the refractive index of the core and the cladding. Further, the pump power of the laser diode could be reduced and the cost of the laser diode could be lowered accordingly. In addition, the life of the laser diode is extended since the laser diode needs not to be operated at a high output.