H. Gotoh, H. Kamada, T. Saitoh, H. Ando, J. Temmyo
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Exciton-biexciton coherent coupling effects on exciton absorption in quantum dots
The absorption characteristics of an exciton-biexciton system are examined for quantum dots by single-dot photoluminescence spectroscopy and theoretical calculation based on the density-matrix method. Exciton-biexciton coherent interaction is found to markedly vary exciton absorption spectra.