Rotational Raman effects in the wake of optical filamentation.

Abstract

The spatiotemporal effects generated in the wake of a laser filament propagating in nitrogen are investigated. At suitable time delays, a probe light pulse propagating along the wake experiences a strong spatial confinement and a noticeable spectral broadening at the same time. Numerical simulations, well reproducing the experimental findings, show the key role of the impulsive rotational Raman response in the observed phenomena.

Cite this paper

@article{Calegari2008RotationalRE, title={Rotational Raman effects in the wake of optical filamentation.}, author={Francesca Calegari and Caterina Vozzi and Sergei V Gasilov and Ettore Benedetti and Giuseppe Sansone and Mauro Nisoli and Sandro De Silvestri and Salvatore Stagira}, journal={Physical review letters}, year={2008}, volume={100 12}, pages={123006} }