Active optical fibre star couplers
US4915469A · kind A · utility
14Cited by
15References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 20, 1989 |
| Grant date | Apr 10, 1990 |
| Priority date | — |
| Expiry date | Mar 20, 2009 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S3/06783
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical fibre star coupler in which the mixer element (11, 21, 45) exhibits optical gain. This allows the use of couplers having a relatively large number of outputs without the requirement for an excessive power level for any input signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.