From Event: SPIE Optical Engineering + Applications, 2016
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.
Vyacheslav A. Trofimov and 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 (Presented at SPIE Optical Engineering + Applications: August 29, 2016; Published: 5 October 2016); https://doi.org/10.1117/12.2238884.
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