Phase shifted distributed feedback laser
US5052015A · kind A · utility
6Cited by
6References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1990 |
| Grant date | Sep 24, 1991 |
| Priority date | — |
| Expiry date | Sep 13, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/1243
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A semiconductor distributed feedback laser having a grating with .lambda./4 phase shift which is produced by moving the left and right sections of the grating with respect to each other in a direction perpendicular to the longitudinal axis of the active region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.