Transmission systems incorporating optical amplifiers
US5452116A · kind A · utility
80Cited by
5References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 22, 1994 |
| Grant date | Sep 19, 1995 |
| Priority date | — |
| Expiry date | Mar 22, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0201
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
In a wavelength multiplexed optical transmission system incorporating a concatenation of optical amplifiers the multiplexed signal passes through a limited number of amplifiers in which all channels are amplified together, after which, at the next amplifier, the signal is demultiplexed, each channel is separately amplified, and then the channels are remultiplexed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.