Abstract
Vertical cavity surface emitting lasers1-5 are generating much interest due to their geometric suitability for forming 2-D arrays and their potential for achieving ultralow thresholds. Here we report on electrically driven vertical cavity microlasers (μlasers) which have transverse dimensions of a few microns and active material lengths of a few hundred angstroms. The very small volumes are a key factor in achieving low thresholds.
© 1990 Optical Society of America
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