Integrated optical switches using deuterated liquids for increased bandwidth
US11181694B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2017 |
| Grant date | Nov 23, 2021 |
| Priority date | — |
| Expiry date | Dec 1, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12147
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An electro-wetting optical device includes an optical switch that uses a coupling region proximate a waveguide in a substrate. The device uses two optical liquids, providing first and second refractive indices respectively. At least one of the optical liquids is deuterated. Under a first switching configuration the first optical liquid is positioned at the coupling region so as to provide a first effective refractive index for light propagating along the first waveguide and under a second switching configuration the second optical liquid is positioned at the coupling region so as to provide a second effective refractive index for light propagating along the first waveguide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.