Abstract

We studied theoretically the exciton coherent dynamics in the hybrid complex composed of CdTe quantum dot (QDs) and rodlike Au nanoparticles (NPs) by the self-consistent approach. Through adjusting the aspect ratio of the rodlike Au NPs, the radiative rate of the exciton and the nonradiative energy transfer rate from the QD to the Au NP are tunable in the wide range $0.05–4{\mathrm{ns}}^{-1}$ and $4.4\times {10}^{-4}\text{to}2.6{\mathrm{ns}}^{-1}$, respectively; consequently, the period of Rabi oscillations of exciton population is tunable in the range $0.6\pi –9\pi$.

© 2007 Optical Society of America

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