Electrically injected visible vertical cavity surface emitting laser diodes
US5351256A · kind A · utility
82Cited by
4References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 28, 1993 |
| Grant date | Sep 27, 1994 |
| Priority date | — |
| Expiry date | Apr 28, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/34326
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Visible laser light output from an electrically injected vertical cavity surface emitting laser (VSCEL) diode is enabled by the addition of phase-matching spacer layers on either side of the active region to form the optical cavity. The spacer layers comprise InAlP which act as charge carrier confinement means. Distributed Bragg reflector layers are formed on either side of the optical cavity to act as mirrors.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.