High-efficiency vertical GaN slab light-emitting diodes using self-coherent directional emitters.


We demonstrate a highly-efficient, large-area (1x1 mm2) GaN slab light-emitting diode using a vertically directional emitter produced from constructive interference. The vertical radiation can be coupled effectively into leaky modes from the beginning and thus a high-extraction efficiency can be expected with reduced material absorption. The far-field… (More)
DOI: 10.1364/OE.18.011025


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