Gain equalizing apparatus
US6091538A · kind A · utility
20Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 9, 1997 |
| Grant date | Jul 18, 2000 |
| Priority date | — |
| Expiry date | Dec 9, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B2210/258
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An equalizing apparatus for equalizing gains of wideband wavelength-division multiplexed light and for improving the S/N ratio comprises a plurality of optical amplifyer for optically amplifying light in different wavelength groups, respectively; and multiplexer for multiplexing optically amplified light from said plurality of optically amplifying means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.