Reproducible fabrication of AlGaAs/GaAs circular buried heterostructure (CBH) surface-emitting lasers with low thresholds
- 26 May 1988
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 24 (11) , 699-700
- https://doi.org/10.1049/el:19880472
Abstract
The fabrication process for circular buried-heterostructure surface-emitting lasers has been improved to increase the uniformity of the active region diameter. Circular mesas of 8 μm diameter can now be consistently prepared and lowthreshold surface-emitting lasers (30–60 mA at room temperature pulsed conditions) are obtained.Keywords
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