Principal frequency of an ultrashort laser pulse

Published in Phys. Rev. A, 2021

E. G. Neyra, P. Vaveliuk, E. Pisanty, A. S. Maxwell, M. Lewenstein and M. F. Ciappina, Phys. Rev. A 103, 053124 (2021) https://journals.aps.org/pra/abstract/10.1103/PhysRevA.103.053124