EPJ Web Conf.
Volume 161, 2017XI International Symposium on Photon Echo and Coherent Spectroscopy (PECS-2017)
|Number of page(s)||2|
|Published online||31 October 2017|
Correlated signals of cluster superfluorescence under two-and three-photon excitation of CdSe/CdS nanostructures
Kazan E. K. Zavoisky Physical-Technical Institute, 10/7 Sibirsky tract str., Kazan, 420029, Russia
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Published online: 31 October 2017
The possibility and conditions for generation of the correlated signals of cluster superfluorescence (CSF) under two and three-quantum excitation of nanostructured samples CdSe/CdS by two crossed at the angle of 60° femtosecond beams of the Ti:Sapphire laser radiation are investigated. It is shown that intensity of the CSF signals is proportional to the cube of the number of clusters and that these collective signals are generated in mutually opposite directions k1 – k2 and k2 – k1, where k1, k2 are the wavevectors of the exciting pulses.
© The Authors, published by EDP Sciences, 2017
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (http://creativecommons.org/licenses/by/4.0/).
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