Rapidly tunable integrated optical filter
US5339157A · kind A · utility
37Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 19, 1993 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Feb 19, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q11/0003
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A monolithically integrated optical filter which is rapidly tunable over a wide optical frequency range comprises an input frequency router connected to an output frequency router by means of controllably transmissive waveguides. A control circuit applies electrical energy to predetermined controllably transmissive waveguides to tune the optical filter to a desired one or more of a plurality of multiplexed input optical frequencies. This filter is economical to construct and is useful in high capacity, high speed optical communications networks.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.