Integrated low-voltage CMOS-compatible electro-optic modulator
US10228511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2017 |
| Grant date | Mar 12, 2019 |
| Priority date | — |
| Expiry date | Jul 19, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02F1/0018
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A slot waveguide for electro-optic modulation is provided. The slot waveguide includes a slot and Bragg gratings defined by outer walls of the slot. The Bragg gratings are configured to slow an optical signal. The slot defines a low-refractive index region and the Bragg gratings spaced apart by the slot define a high-refractive index region. The slot waveguide includes a pair of electrodes extending parallel and adjacent to the slot waveguide. The electrodes are configured to carry an electrical modulation signal to induce a change in a phase of the optical signal. The slot of the slot waveguide is at least partially filled with an electro-optic polymeric material poled in a direction orthogonal to a direction of propagation of the optical signal in the slot waveguide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.