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(Color online) (a) Cross-section of silicon complementary metal-oxide semiconductor single-photon avalanche diode used for silicon electroluminescence measurements. (b) Published and experimental luminescence spectra. (c) System absolute collection efficiency.
(Color online) (a) Cross-section of self-quenched avalanche photodiode. (b) Electroluminescence of the APD, captured with a Coherent Inc. LaserCam III D beam profiler. (c) External electroluminescence spectrum showing expected exponential behavior; inset plotted on linear graph with a peak corresponding to the band gap energy InGaAsP. Ripples result from internal reflections at layer interfaces.
(Color online) Experimental measurements of absorption.
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