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In this work we present strain balanced InAs quantum post of exceptional length in the context of photovoltaics. We discuss the general properties of these nanostructures and their impact in the practical implementation of an intermediate band solar cell. We have studied the photocurrent generated by strain balanced quantum posts embedded in a GaAs single crystal, and compared our results with quantum...
In this work we show room temperature lasing at 1.5 μm in photonic crystal microcavities in air bridge membranes with a single layer of self-assembled quantum wires (QWRs). Low threshold values around 10 μW have been measured, along high quality factors Q ~ 55000 using L7-type photonic crystal microcavities. Solid-source molecular beam epitaxy has been used for the synthesis of the InP/InAs epitaxial...
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