发明授权
- 专利标题： Optical sender, terminal device, and optical communication system each having the optical sender
- 专利标题（中）： 光发送器，终端设备和光通信系统各自具有光发送器
-
申请号： US09168688申请日： 1998-10-09
-
公开(公告)号： US07133610B1公开(公告)日： 2006-11-07
- 发明人: Yoshitaka Shimura , Motoyoshi Sekiya , Keisuke Imai
- 申请人： Yoshitaka Shimura , Motoyoshi Sekiya , Keisuke Imai
- 申请人地址： JP Kawasaki
- 专利权人： Fujitsu Limited
- 当前专利权人： Fujitsu Limited
- 当前专利权人地址： JP Kawasaki
- 代理机构： Staas & Halsey LLP
- 优先权： JP10-142631 19980525
- 主分类号： H04B10/08
- IPC分类号： H04B10/08 ; H04B10/04 ; H04J14/02
摘要：
The present invention relates to an optical sender applicable to WDM (wavelength division multiplexing), and a primary object of the present invention is to prevent interchannel crosstalk in WDM. The optical sender includes a light source for outputting a light beam, an optical modulator for modulating the light beam in accordance with a main signal to output an optical signal, and a unit for shutting down the optical signal when receiving at least one of a power alarm relating to on/off of power supply and a wavelength alarm relating to the wavelength of the light beam.