Ultra-fast tunable optical filters
US6411756B1 · kind B1 · utility
39Cited by
16References
34Claims
0Family size
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Key dates
| Filing date | Feb 7, 2001 |
| Grant date | Jun 25, 2002 |
| Priority date | — |
| Expiry date | Feb 7, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/225
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical filter including at least one multiport optical coupler formed on a gallium arsenide substrate, one connection port of the at least one multiport optical coupler receiving an input output signal, and another connection port of the at least one multiport optical coupler outputting a filtered optical signal and at least one electrically tunable optical resonator, formed on the gallium arsenide substrate and connected to at least one of the at least multiport optical coupler.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.