Optical fiber communications network including plural amplifiers with single pump source
US5185814A · kind A · utility
31Cited by
11References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 1992 |
| Grant date | Feb 9, 1993 |
| Priority date | — |
| Expiry date | Feb 20, 2012 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/2935
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An optical communications network in which optical signals from a transmitter (T) are distributed to receivers (R.sub.i) via an optical waveguide (2) and couplers (C.sub.i) are amplified as they propagate along the waveguide (2). The amplifiers A.sub.i are all pumped by a single optical pump source (4) coupled to the optical fibre (2) by a dichroic coupler (6). By using the optical waveguide (2) to distribute the pump power to the amplifiers A.sub.i multiple optical pump sources are avoided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.