Porous distributed Bragg reflectors for laser applications
US11201451B2 · kind B2 · utility
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4References
21Claims
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Key dates
| Filing date | Jan 18, 2019 |
| Grant date | Dec 14, 2021 |
| Priority date | — |
| Expiry date | Apr 14, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/34
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Embodiments described herein provide a layered structure that comprises a substrate that includes a first porous multilayer of a first porosity, an active quantum well capping layer epitaxially grown over the first porous multilayer, and a second porous multilayer of the first porosity over the active quantum well capping layer, where the second porous multilayer aligns with the first porous multilayer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.