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Proceedings Paper

Nonlinear spectroscopy and applications: time–resolved nonlinear spectroscopy of silicon nanocrystals
Author(s): N. Neudert; K. Zidek; M. Bittner; F. Trojanek
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Paper Abstract

We review results we obtained by nonlinear time-resolved laser spectroscopy of silicon nanocrystals. The results of photoluminescence measurements on the femtosecond to microsecond time scales and of the picosecond pump and probe absorption measurements indicate the important role of carrier trapping into nanocrystals surface states and of Auger process in photoexcited carrier relaxation and recombination. The optical response of assemblies of silicon nanocrystals was found to be strongly dependent on the wavelength of the excitation light. The relation between microscopic carrier processes and optical nonlinear properties of the material as well as the impact on possible development of silicon laser are discussed.

Paper Details

Date Published: 8 May 2007
PDF: 11 pages
Proc. SPIE 6582, Nonlinear Optics and Applications II, 65820N (8 May 2007); doi: 10.1117/12.725756
Show Author Affiliations
N. Neudert, Charles Univ. in Prague (Czech Republic)
K. Zidek, Charles Univ. in Prague (Czech Republic)
M. Bittner, Charles Univ. in Prague (Czech Republic)
F. Trojanek, Charles Univ. in Prague (Czech Republic)

Published in SPIE Proceedings Vol. 6582:
Nonlinear Optics and Applications II
Mario Bertolotti, Editor(s)

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