Field modulated vertical cavity surface-emitting laser with internal optical pumping
US6285704A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1998 |
| Grant date | Sep 4, 2001 |
| Priority date | — |
| Expiry date | Jul 13, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S2302/00
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A vertical cavity surface emitting laser diode (VCSEL), includes top and bottom electrically non-conductive mirrors defining a first laser cavity containing a laser medium and designed to resonate at a first wavelength. A second laser cavity is designed to resonate at a second wavelength less than the first wavelength. The second laser cavity is optically coupled to the first laser cavity so as to pump the laser medium and create laser action in the first laser cavity. The second laser cavity is normally provided by a VCSEL stacked below the first laser cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.