Abstract
AbstractWe present optical spectra from numerous, single, self‐assembled InAs/InP quantum dots. More than 50 individual dots are studied that emit in the 1.1‐1.6 mm wavelength range. The dots are of high optical quality as judged by the clean, single exciton emission line at low power, the resolution limited linewidth, and the brightness. Each dot exhibits similar trends in the power evolution spectra, despite large variations in height and diameter. The level splittings in the p ‐shell increase with decreasing height, which we interpret to be from dot elongation along the [01$ \bar 1 $] direction. The evolution of the spectra with increasing power agrees well with predictions from effective bond orbital calculations. (© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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