Gradient-index waveguide lateral coupler having an active region with an index of refraction that is non-constant laterally
US10473857B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jul 10, 2018 |
| Grant date | Nov 12, 2019 |
| Priority date | — |
| Expiry date | Jul 10, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2006/12147
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A waveguide having a gradient-index (GRIN) waveguide lateral coupler is provided. In an example embodiment, the waveguide comprises an active region. The refractive index profile of the active region is non-constant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.