High-power coherent arrays of vertical cavity surface-emitting semiconducting lasers
US6600765B2 · kind B2 · utility
9Cited by
7References
21Claims
0Family size
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Key dates
| Filing date | Apr 27, 2001 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Apr 27, 2021 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/4087
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An array of VCSELs is made to operate coherently by coupling light to and from all elements with a common waveguide. The common waveguide can be fabricated on the wafer or separately, and allows enough optical power to mix between the individual lasers for phase-locking to occur.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.