Effect of detuning on the angular emission pattern of high-efficiency microcavity light-emitting diodes
- 28 December 1998
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 73 (26) , 3812-3814
- https://doi.org/10.1063/1.122902
Abstract
Results on molecular beam epitaxy-grown microcavity light-emitting diodes with InGaAs/GaAs quantum wells and a hybrid top mirror are presented. An external quantum efficiency of 14.8% is achieved for a 400 μm diam light-emitting diode. The strong influence of the spectral overlap between the spontaneous emission spectrum and the cavity resonance mode on the radiation pattern is shown. The angular emission profile is compared with model predictions for different detunings, and a very good agreement is obtained when the asymmetric spectral broadening of the intrinsic spontaneous emission is taken into account.Keywords
This publication has 7 references indexed in Scilit:
- Recycling of guided mode light emission in planar microcavity light emitting diodesApplied Physics Letters, 1997
- 16% external quantum efficiency from planar microcavityLEDsat 940 nm by precise matching of cavity wavelengthElectronics Letters, 1995
- High efficiency planar microcavity LED's: comparison of design and experimentIEEE Photonics Technology Letters, 1995
- Controlled atomic spontaneous emission fromin a transparent Si/microcavityPhysical Review Letters, 1993
- Enhanced spectral power density and reduced linewidth at 1.3 μm in an InGaAsP quantum well resonant-cavity light-emitting diodeApplied Physics Letters, 1992
- Resonant cavity light-emitting diodeApplied Physics Letters, 1992
- Anomalous Spontaneous Emission Time in a Microscopic Optical CavityPhysical Review Letters, 1987