Phase-dependent harmonic emission with ultrashort laser pulses

de Bohan, A;Antoine, Philippe;Milosevic, DB;Piraux, Bernard
(1998) Physical Review Letters — Vol. 81, n° 9, p. 1837-1840 (1998)

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Authors
  • de Bohan, A
    Author
  • Antoine, PhilippeUCLouvain
    Author
  • Milosevic, DB
    Author
  • Piraux, BernardUCLouvain
    Author
Abstract
We consider harmonic generation by atoms exposed to an intense laser pulse of a few femtoseconds. Our results, obtained by solving numerically the corresponding three-dimensional time-dependent Schrodinger equation, demonstrate the strong sensitivity of the harmonic spectra to the phase of the laser. These results are explained in terms of both quantum and classical dynamics. We show that this phase sensitivity may be exploited in order to probe the laser phase for ultrashort pulses. Our discussion about this new method of diagnosis takes into account propagation effects.
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de Bohan, A., Antoine, P., Milosevic, D., & Piraux, B. (1998). Phase-dependent harmonic emission with ultrashort laser pulses. Physical Review Letters, 81(9), 1837-1840. https://doi.org/10.1103/PhysRevLett.81.1837 (Original work published 1998)