Spontaneous emergence of pulses with constant carrier-envelope phase in femtosecond filamentation.
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We study the possibility to obtain high-intensity pulses that maintain a constant Carrier Envelope Phase (CEP) during propagation in dispersive media, i.e. pulses such that the carrier-wave offset with respect to the main intensity peak remains fixed. Our numerical experiments strongly suggest that pulse splitting and X-wave formation within femtosecond laser pulse filamentation leads to the formation of "constant-CEP" within well-defined regions inside the filament. We study the creation of "constant- CEP" pulses in both gasseous and condensed media showing that this is a generic feature of filaments.
author list (cited authors)
Faccio, D., Lotti, A., Kolesik, M., Moloney, J. V., Tzortzakis, S., Couairon, A., & Di Trapani, P
complete list of authors
Faccio, D||Lotti, A||Kolesik, M||Moloney, JV||Tzortzakis, S||Couairon, A||Di Trapani, P