Microcavity enhanced vertical-cavity light-emitting diodes
- 14 June 1993
- journal article
- conference paper
- Published by AIP Publishing in Applied Physics Letters
- Vol. 62 (24) , 3085-3087
- https://doi.org/10.1063/1.109143
Abstract
We systematically studied microcavity enhancement and mode-coupling effects in photo- and electroluminescence of an AlGaAs/GaAs vertical-cavity light-emitting diode (LED) by continuously changing the microcavity resonance with respect to the quantum well band gap. At mode overlap we obtained maximum photo- and electroluminescence intensities and a minimum emitted linewidth of 4.6 nm at 836 nm with a FWHM divergence of 62°. However, the electrical-to-optical efficiency was less than 1 μW/mA. Application issues for optical interconnects are presented.Keywords
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