Realisation of highly efficient 850 nm top emitting resonant cavity light emitting diodes

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Realisation of highly efficient 850 nm top emitting resonant cavity light emitting diodes

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Highly efficient top emitting 850 nm resonant cavity LEDs (RCLEDs) with and without selectively oxidised current windows have been realised and compared. The oxidised RCLEDs have an increased efficiency, due to a larger carrier injection efficiency. The best devices show a 14% overall quantum efficiency, and a voltage drop of 1.8 V at 3 mA drive current.

Inspec keywords: light emitting diodes; optical resonators

Other keywords: top emitting resonant cavity light emitting diode; 14 percent; selectively oxidised current window; carrier injection efficiency; 850 nm; quantum efficiency

Subjects: Light emitting diodes

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