Femtosecond photon echo in dye-doped polymer film at liquid nitrogen and room temperature

V. S. Lobkov; K. M. Salikhov; V. V. Samartsev; G. M. Safiullin; V. A. Zuikov

doi:10.1117/12.677913

14 June 2006 Femtosecond photon echo in dye-doped polymer film at liquid nitrogen and room temperatures

V. S. Lobkov, K. M. Salikhov, V. V. Samartsev, G. M. Safiullin, V. A. Zuikov

Proceedings Volume 6259, ICONO 2005: Nonlinear Optical Phenomena; 625914 (2006) https://doi.org/10.1117/12.677913
Event: ICONO 2005, 2005, St. Petersburg, Russian Federation

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.

Citation Download Citation

V. S. Lobkov, K. M. Salikhov, V. V. Samartsev, G. M. Safiullin, and V. A. Zuikov "Femtosecond photon echo in dye-doped polymer film at liquid nitrogen and room temperatures", Proc. SPIE 6259, ICONO 2005: Nonlinear Optical Phenomena, 625914 (14 June 2006); https://doi.org/10.1117/12.677913

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