Title:
光源およびWDM光通信システム
Document Type and Number:
Japanese Patent JP4499132
Kind Code:
B2
Abstract:
A light source error detection system and method including monitoring a plurality of characteristics of a light source and controlling the light source based on a plurality of monitored results. The system and method control the light source differently for a first case when only one of the monitored characteristics is abnormal than a second case when more than two of the monitored characteristics are abnormal. In controlling the light source, an output power of the light source is decreased with different time constant for the first case and the second case.
Inventors:
Tomohisa Ishikawa
Application Number:
JP2007119363A
Publication Date:
July 07, 2010
Filing Date:
April 27, 2007
Export Citation:
Assignee:
富士通株式会社
International Classes:
H04B10/07; H01S5/0683; H04B10/079; H04B10/40; H04B10/50; H04B10/60; H04J14/00; H04J14/02
Domestic Patent References:
| JP2005085871A | ||||
| JP2000089178A | ||||
| JP11112435A |
Attorney, Agent or Firm:
Akinori Sakai