System and method for increasing capacity of undersea cables
US6493133B1 · kind B1 · utility
23Cited by
3References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2000 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Sep 19, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/2589
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method of increasing usable bandwidth on a long-haul cable system having at least one optical fiber, the method comprising the steps of: (a) effecting counter-propagating first and second signals of different bands on a common long-haul optical fiber having cascaded optical amplifiers; and (b) band amplifying the first and second signals while reducing BRS in the bands.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.