Light bullets in transparent dielectrics
Moscow Lomonosov State University, Physics Department and International Laser Center, 119991, Moscow, Russia
2 Institute of Spectroscopy RAS, 108840, Troitsk, Moscow, Russia
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Published online: 31 October 2017
The state of research of the light bullets (LB) formation in the process of femtosecond laser pulse filamentation is presented. LB is a near single-cycle wave packet that is formed in the result of the light field self-organization in a nonlinear dispersive medium under matched spatiotemporal radiation self-compression in the regime of anomalous group-velocity dispersion (GVD). The formation of each LB is accompanied by the generation of a discrete portion of supercontinuum (SC) in the anti-Stokes region. LB is a short-lived robust object with parameters determined by fundamental properties of the medium and the laser pulse central wavelength.
© The Authors, published by EDP Sciences, 2017
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