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Proceedings Paper

Femtosecond photon echo in dye-doped polymer film at liquid nitrogen and room temperature
Author(s): V. S. Lobkov; K. M. Salikhov; V. V. Samartsev; G. M. Safiullin; V. A. Zuikov
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Paper Abstract

The first observation is reported of the primary and stimulated femtosecond photon echoes at liquid nitrogen and room temperatures in a dye-doped polymer film at a wavelength of 780 nm. Echo signals were generated by pulses with the duration of 130 fs. The primary echo signal decay at a liquid nitrogen temperature can not be described by a simple exponential function. There is a fast decay region below 250-300 fs and a slow decay region at longer time intervals. The decay of primary echo signal at room temperature demonstrates complex behavior caused by the presence of the phonon-side band in the optical band of impurity centers. There were also detected signals of the self-diffraction of exciting pulses on a nonequilibrium population difference grating, induced in resonant medium by these pulses.

Paper Details

Date Published: 14 June 2006
PDF: 6 pages
Proc. SPIE 6259, ICONO 2005: Nonlinear Optical Phenomena, 625914 (14 June 2006); doi: 10.1117/12.677913
Show Author Affiliations
V. S. Lobkov, Kazan Physical-Technical Institute (Russia)
K. M. Salikhov, Kazan Physical-Technical Institute (Russia)
V. V. Samartsev, Kazan Physical-Technical Institute (Russia)
G. M. Safiullin, Kazan Physical-Technical Institute (Russia)
V. A. Zuikov, Kazan Physical-Technical Institute (Russia)

Published in SPIE Proceedings Vol. 6259:
ICONO 2005: Nonlinear Optical Phenomena
Konstantin Drabovich; Vladimir Makarov; Yuen-Ron Shen, Editor(s)

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