Method and structure for laser devices using optical blocking regions
US9093820B1 · kind B1 · utility
1Cited by
90References
24Claims
0Family size
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Key dates
| Filing date | Jan 24, 2012 |
| Grant date | Jul 28, 2015 |
| Priority date | — |
| Expiry date | Jan 24, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2304/04
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical device includes a gallium and nitrogen containing substrate having a surface region and an optical blocking region of InAlN material overlying the surface region. A strain control region maintain quantum wells within a predetermined strain state. The strained region is preferably a confined heterostructure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.