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Published April 1, 1991 | Published
Book Section - Chapter Open

Vertical cavity lasers for optical interconnects


Vertical-cavity surface-emitting lasers are generating much interest due to their geometric suitability for two-dimensional array fabrication and their potential for achieving ultra-low thresholds. Here we report on optically- and electrically-pumped microlaser devices. having transverse dimensions of a few microns and active material lengths of a few hundred A. The very small volumes are a key factor in achieving low thresholds. So far however surface recombination has prevented us from achieving thresholds much below 1 mA.

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© 1991 Society of Photo-Optical Instrumentation Engineers (SPIE).

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