Emission spectrum and spectral diffusion of a single CdSe/ZnS nanocrystal measured by photon-correlation Fourier spectroscopy - Archive ouverte HAL
Article Dans Une Revue Journal of the Optical Society of America B Année : 2009

Emission spectrum and spectral diffusion of a single CdSe/ZnS nanocrystal measured by photon-correlation Fourier spectroscopy

Résumé

We describe a detailed photon correlation Fourier spectroscopy (PCFS) study of a single CdSe/ZnS nanocrystal at 10 K. PCFS provides the temporal and spectral resolution that is necessary for such a fast spectrally diffusing emitter. In the emitter spectrum, we distinguish a main 6 µeV zero-phonon line, the one- and twolongitudinal- optical-phonon replica, and the longitudinal-acoustic-phonon pedestal. We determine the spectral diffusion amplitude as a function of time for timescales from 20 µs to 200 ms and propose an interpretation for the two observed regimes.
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Dates et versions

hal-00399785 , version 1 (29-06-2009)

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L. Coolen, P. Spinicelli, J.-P. Hermier. Emission spectrum and spectral diffusion of a single CdSe/ZnS nanocrystal measured by photon-correlation Fourier spectroscopy. Journal of the Optical Society of America B, 2009, 26 (7), pp.1463-1468. ⟨10.1364/JOSAB.26.001463⟩. ⟨hal-00399785⟩
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