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|
Nonlinear properties of optically dense medium excited by multifrequency laser radiation
Peter the Great St. Petersburg Polytechnic University, Department of theoretical physics, 29 Polytechnicheskaia str., Saint-Petersburg, 195251 Russia
* Corresponding author: email@example.com
Published online: 31 October 2017
This work is devoted to nonlinear effects in the atomic medium excited by multifrequency laser radiation. We have considered collective light scattering in the optically dense medium in conditions of coherent population trapping. Propagation of intermode correlation coefficient was calculated and it was found that correlation can increase in the medium. Light shifts of the coherent population trapping resonances and ways of their suppression were analyzed. Propagation of radiation in the medium with closed excitation scheme was investigated.
© 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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