Broadband amplified WDM ring
US6785472B1 · kind B1 · utility
13Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 15, 1999 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Jun 15, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/02216
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A fiber-optic WDM ring carries communication traffic among a plurality of nodes, each node associated with respective subscriber premises. Remote gain is provided in at least one link of the ring. In specific embodiments of the invention, the remote gain is applied preferentially to those wavelength channels most in need of amplification. In specific embodiments of the invention, the remote gain is Raman gain.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.