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Schematic representation of the diffusion, capture, and radiative recombination of the carriers excited in the GaN.
PL and PLE spectra of the single quantum well sample at .
Time-resolved PL signals at the peak of the QW emission for excitation wavelengths of 360 and at . The fitted curve for the data shows the results of the carrier diffusion model described in the text.
(Color online) Time dependence of the differential reflectivity measured at when pumping at and probing at . The inset shows the configuration of the experiment.
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