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GaAs nanowires go brighter
Semiconductor nanowires have been extensively investigated in the last few years due to their new physical properties and enormous perspectives for applications. In this work, we investigate the effects of GaAsP passivation on strained GaAs core-shell nanowires. We demonstrate that, as a result of the decrease of the density of surface states, 4 orders of magnitude more intense photoluminescense (as compared to unpassivated structures) can be achived. For more details click HERE.
Pumping single photons with SAWs
Surface acoustic waves (SAWs) have were employed to demonstrate high frequency (750MHz) single-photon sources (SPS). By remotely pumping electrons and holes into a GaAs quantum well, we were able to transport and inject them into quantum dots which work as efficient SPS. Our achievements represent a novel approach in the direction of high speed quantum information processing. For more details click HERE.
Welcome to my homepage. Here you will find information about my research, experiments, related literature, and job oportunities in our laboratory. This page is also dedicated to my teaching activities at the University of Campinas.