5 October 2016 Superluminality effect for laser pulse propagation in medium containing nanorods under the two-photon luminescence
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Abstract
We investigate the possibility for superluminality effects at the femtosecond pulse propagation in the medium with nanorods, if second harmonic generation (SGH) and two-photon luminescence (TPL) take place. On basis of semiclassical approach, we derive a set of equations, which describe the atomic states and electric fields dynamics. We show the possibility of light acceleration and soliton formation, if nanorod aspect ratio changing occurs due to their reshaping because two photon absorption (TPA) of optical energy, and investigate TPL and SHG in the medium with nanorods under sequential one-photon absorptions.
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Vyacheslav A. Trofimov, Tatyana M. Lysak, "Superluminality effect for laser pulse propagation in medium containing nanorods under the two-photon luminescence", Proc. SPIE 9956, Ultrafast Nonlinear Imaging and Spectroscopy IV, 99560T (5 October 2016); doi: 10.1117/12.2238884; https://doi.org/10.1117/12.2238884
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