Optical transmission system with dynamic compensation of the power transmitted
US6043931A · kind A · utility
5Cited by
1References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 28, 1998 |
| Grant date | Mar 28, 2000 |
| Priority date | — |
| Expiry date | May 28, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04J14/0221
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to an optical transmission system comprising a transmission line which includes at least one optical fiber amplifier. According to the invention, a stabilized gain optical amplifier is coupled to the input of the line, said stabilized gain amplifier including a local oscillator suitable for emitting an auxiliary compensation wave at a wavelength .lambda.loc which lies in the gain band of each optical fiber amplifier of the line. Provision is also made to modulate the pumping current of said stabilized gain amplifier to convey service information. The invention is applicable to optical transmission.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.