发明名称 |
Reduced four-wave mixing and Raman amplification architecture |
摘要 |
Raman amplifiers with improved signal to noise ratio and four-wave mixing product suppression are provided. In one embodiment, both co-propagating and counter-propagating pump energy are employed to cause Raman amplification effects within a fiber. Improved Raman amplification performance including improved four-wave mixing product suppression facilitates longer distance transmission without regeneration of optical signals and/or denser WDM channel spacings.
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申请公布号 |
US7038842(B2) |
申请公布日期 |
2006.05.02 |
申请号 |
US20050067420 |
申请日期 |
2005.02.25 |
申请人 |
CISCO TECHNOLOGY, INC. |
发明人 |
GRISERI ENRICO;FORGHIERI FABRIZIO |
分类号 |
H01S3/00;H04B10/17;H04B10/18 |
主分类号 |
H01S3/00 |
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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