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. 13, 2007
Filed:
Jun. 16, 2004
Seong-taek Hwang, Pyeongtaek-si, KR;
Gyu-woong Lee, Suwon-si, KR;
Chang-sup Shim, Seoul, KR;
Yun-je OH, Yongin-si, KR;
Seong-Taek Hwang, Pyeongtaek-si, KR;
Gyu-Woong Lee, Suwon-si, KR;
Chang-Sup Shim, Seoul, KR;
Yun-Je Oh, Yongin-si, KR;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Abstract
A metro wavelength division multiplexing network is disclosed and includes a plurality of optical repeaters connected to each other through an optical fiber link, wherein each of the optical repeaters includes a Raman gain medium for Raman-amplifying inputted optical signals, an amplification medium having a center wavelength different from a gain center wavelength of the Raman gain medium and amplifying a Raman-amplified optical signals, and a pumping unit for pumping the Raman gain medium.