发明名称 |
Optical transmission system having cascaded raman |
摘要 |
An optical transmission system for wavelength-division multiplex signals, having cascaded Raman amplifiers, has a number of pump sources for each Raman amplifier, each having different pump wavelengths sets from one pump source to another pump source. This results in a flat gain spectrum for all the channels in a WDM transmission signal.
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申请公布号 |
US6556341(B2) |
申请公布日期 |
2003.04.29 |
申请号 |
US20010990735 |
申请日期 |
2001.11.21 |
申请人 |
SIEMENS AKTIENGESELLSCHAFT |
发明人 |
KRUMMRICH PETER;NEUHAUSER RICHARD |
分类号 |
H01S3/067;H01S3/094;H01S3/0941;H01S3/30;H04B10/17;H04B10/291;H04B10/296;H04J14/02;(IPC1-7):H01S3/00 |
主分类号 |
H01S3/067 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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