Nonlinear spectroscopy and applications: time–resolved nonlinear spectroscopy of silicon nanocrystals

N. Neudert; K. Zidek; M. Bittner; F. Trojanek

doi:10.1117/12.725756

8 May 2007 Nonlinear spectroscopy and applications: time-resolved nonlinear spectroscopy of silicon nanocrystals

N. Neudert, K. Zidek, M. Bittner, F. Trojanek

Proceedings Volume 6582, Nonlinear Optics and Applications II; 65820N (2007) https://doi.org/10.1117/12.725756
Event: International Congress on Optics and Optoelectronics, 2007, Prague, Czech Republic

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.

Citation Download Citation

N. Neudert, K. Zidek, M. Bittner, and F. Trojanek "Nonlinear spectroscopy and applications: time-resolved nonlinear spectroscopy of silicon nanocrystals", Proc. SPIE 6582, Nonlinear Optics and Applications II, 65820N (8 May 2007); https://doi.org/10.1117/12.725756

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