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Two-photon-excited fluorescence (TPEF) enhancement of a semiconductor quantum dot (SQD) adsorbed on a Au nanoparticle (NP) was investigated theoretically. Surface plasmon resonance (SPR) enhancement of the exciting light and radiative rate of the SQD, and nonradiative energy transfer (NRET) from SQD to Au NP were taken into account. Compared to the unitary enhancement factor obtained from considering...
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