Multi-channel optical fiber communication system
US5847862A · kind A · utility
47Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 29, 1997 |
| Grant date | Dec 8, 1998 |
| Priority date | — |
| Expiry date | Nov 29, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/2537
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A significant part of signal-to-noise degradation in WDM optical fiber communications, due to Raman crosstalk, is found to be deterministic in nature. Shaping of amplifier output to offset depletion of high frequency channels improves signal capacity by an order of magnitude.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.