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Proceedings Paper

Time-resolved nonlinear spectroscopy of semiconductor microcrystals (quantum dots)
Author(s): V. S. Dneprovskii; Victor I. Klimov; M. G. Novikov; D. K. Okorokov; Yu. V. Vandyshev
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Paper Abstract

Transmission spectra recovery and time-resolved luminescence of CdSe microcrystals optically excited by ultrashort laser pulses have been studied with picosecond time resolution. The transitions between levels of electrons and holes spatially confined within microcrystals were observed as bleaching bands in nonlinear transmission spectra. The significant shortening of the carrier lifetime in microcrystals of smaller size was detected. The regime of laser emission at the transition between the lowest levels of size quantization was achieved.

Paper Details

Date Published: 11 December 1992
PDF: 13 pages
Proc. SPIE 1841, Nonlinear Optical Processes in Solids, (11 December 1992); doi: 10.1117/12.131838
Show Author Affiliations
V. S. Dneprovskii, Moscow State Univ. (Russia)
Victor I. Klimov, Moscow State Univ. (Russia)
M. G. Novikov, Moscow State Univ. (Russia)
D. K. Okorokov, Moscow State Univ. (Russia)
Yu. V. Vandyshev, Moscow State Univ. (Russia)


Published in SPIE Proceedings Vol. 1841:
Nonlinear Optical Processes in Solids
Anatoliy S. Chirkin; Vladimir I. Emel'yanov, Editor(s)

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