Phys. Rev. A 59, 4840–4842 (1999)

Phase-sensitive ionization through multiphoton-excitation schemes involving even numbers of photons

Abstract

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E. Papastathopoulos^*, D. Xenakis^†, and D. Charalambidis^*
Foundation for Research and Technology–Hellas, Institute of Electronic Structure and Laser, P.O. Box 1527, GR-711 10 Heraklion, Greece

Received 4 November 1998; published in the issue dated June 1999

Strongly field-phase-dependent ionization is demonstrated by using a convenient experimental setup appropriate for excitation schemes involving an even number of photons. In this paper, ionization in Xe occurs via two phase-correlated electromagnetic fields, namely, the fundamental and the second harmonic of the laser. Since the fields are in the visible and ultraviolet regime, they have readily controllable amplitudes. Thus excitation interference conditions and, consequently, phase-sensitive ionization can be easily and efficiently established.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.59.4840

DOI:

10.1103/PhysRevA.59.4840

PACS:

32.80.Qk, 32.80.Fb, 32.80.Rm

^*Also at Physics Department, University of Crete, GR-713 10 Heraklion, Greece.

^†Present address: Max-Planck-Institut für Quantenoptik, Hans-Kopfermann Strasse 1, D-85748 Garching, Germany.

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Phys. Rev. A 59, 4840–4842 (1999)

Phase-sensitive ionization through multiphoton-excitation schemes involving even numbers of photons