Low loss tunable ring resonator allpass filter
US7333691B1 · kind B1 · utility
21Cited by
5References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 29, 2006 |
| Grant date | Feb 19, 2008 |
| Priority date | — |
| Expiry date | Dec 29, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12195
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An apparatus, including an optical ring resonator having a waveguide ring with substantially straight waveguide segments and bent waveguide segments. The bent waveguide segments are optically coupled to the substantially straight waveguide segments and have optical cores with substantially smaller cross-sectional areas than the substantially straight waveguide segments. The bent waveguide segments change a propagation direction of received light by more than ½ of a right angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.