发明授权
- 专利标题: Method and apparatus for adjusting tilting and level of optical signals
- 专利标题(中): 调整光信号倾斜和电平的方法和装置
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申请号: US09555295申请日: 1998-11-06
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公开(公告)号: US07024117B1公开(公告)日: 2006-04-04
- 发明人: Erich Gottwald
- 申请人: Erich Gottwald
- 申请人地址: DE Munich
- 专利权人: Siémens Aktiengesellschaft
- 当前专利权人: Siémens Aktiengesellschaft
- 当前专利权人地址: DE Munich
- 代理机构: Bell, Boyd & Lloyd LLC
- 优先权: DE19752982 19971128; DE19752983 19971128
- 国际申请: PCT/DE98/03254 WO 19981106
- 国际公布: WO99/29057 WO 19990610
- 主分类号: H04J14/02
- IPC分类号: H04J14/02 ; H04B10/12
摘要:
Pump energy with a wavelength which is below the wavelength of an optical signal is fed into a transmission section from a pump laser via a coupler. The received optical signal is attenuated with increasing pump power with signals having higher frequencies being more strongly damped.
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