WDM optical fiber system using Raman amplification
US6191877A · kind A · utility
52Cited by
4References
10Claims
0Family size
Assignee
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Key dates
| Filing date | Jul 15, 1996 |
| Grant date | Feb 20, 2001 |
| Priority date | — |
| Expiry date | Jul 15, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/2916
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Pump depletion modulation crosstalk between WDM channels in Raman amplified systems is virtually eliminated by exclusive use of backward pumping.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.