https://doi.org/10.1007/s100530050104
Effect of the initial phase of the field in ionization by ultrashort laser pulses
1
Laboratoire
des Collisions Atomiques, CPTMB (UPRESA 5468) , Université de
Bordeaux I, 351 Cours de la Libération, 33405 Talence, France
2
Service des Photons, Atomes et Molécules, DRECAM, Centre
d'Études de Saclay, 91191 Gif-Sur-Yvette, France
3
Laboratoire
des Collisions Atomiques, CPTMB (UPRESA 5468) , Université de
Bordeaux I, 351 Cours de la Libération, 33405 Talence, France
Service des Photons, Atomes et Molécules, DRECAM, Centre
d'Études de Saclay, 91191 Gif-Sur-Yvette, France Max-Planck-Institut für Quantenoptik,
Hans-Kopfermann-str. 1, 85748 Garching, Germany
Corresponding authors: a eric@petrus.lcab.u-bordeaux.fr cormier@spam.saclay.cea.fr
Received:
4
November
1997
Revised:
21
January
1998
Accepted:
23
February
1998
Published online: 15 April 1998
We report on observable new features related to ionization of atoms by laser pulses of only few cycles and some intensity. We show that for particular photo-electron energies, the angular distribution becomes asymmetric and that this asymmetry is related to the initial phase of the field.
PACS: 32.80.-t – Photon interactions with atoms / 42.50.Dv – Nonclassical field states; squeezed, antibunched, and sub-Poissonian states; operational definitions of the phase of the field; phase measurements / 32.80.Wr – Other multiphoton processes
© EDP Sciences, Società Italiana di Fisica, Springer-Verlag, 1998
