Title:
波長バンドを光学的に逆多重するシステム
Document Type and Number:
Japanese Patent JP2005504478
Kind Code:
A
Abstract:
The optical demultiplexing wavelength band separation has a front filtering stage (210) of low pass band and high selectivity extracting an assembly of inter band channels. A second stage of filtering (240) has a high pass band and low selectivity extracting the wavelength bands delivered by the first filtering stage.
Inventors:
Forall, Jean-Paul
Bison, Arnaud
Nikola, Le Swords
Bison, Arnaud
Nikola, Le Swords
Application Number:
JP2003531653A
Publication Date:
February 10, 2005
Filing Date:
September 26, 2002
Export Citation:
Assignee:
Alcatel
International Classes:
G02B6/293; G02B6/34; H04B10/00; H04B10/27; H04B10/29; H04J14/00; H04J14/02; (IPC1-7): H04J14/00; G02B6/293; H04B10/02; H04J14/02
Attorney, Agent or Firm:
Yoshio Kawaguchi
Akio Ichiiri
Makoto Ono
Katsuma Osaki
Mitsuaki Tsubokura
Akio Ichiiri
Makoto Ono
Katsuma Osaki
Mitsuaki Tsubokura