Electrically pumped circular-grating distributed-Bragg-reflector lasers
- 1 September 1992
- journal article
- Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Photonics Technology Letters
- Vol. 4 (9) , 960-963
- https://doi.org/10.1109/68.157115
Abstract
The design, fabrication, and lasing characteristics of electrically pumped circular-grating distributed-Bragg-reflector (CG-DBR) surface-emitting lasers, were studied. Surface-emitted lasing action was achieved at room temperature under pulsed condition. Although the measured threshold current is still higher than theoretical calculations, CW operation should be possible by improving the fabrication and the device structure.Keywords
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