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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Vol. 13, Iss. 2 — Feb. 1, 1996
  • pp: 363–370

Two-color coherent control of atomic multiphoton ionization with high-order harmonics: time-dependent Schrödinger equation treatment

Richard Taïeb, Valérie Véniard, and Alfred Maquet  »View Author Affiliations


JOSA B, Vol. 13, Issue 2, pp. 363-370 (1996)
http://dx.doi.org/10.1364/JOSAB.13.000363


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Abstract

We present a theoretical study of the main characteristics of two-color photoionization spectra obtained when atoms are subjected to an intense radiation pulse containing the fundamental of an infrared laser and one of its higher harmonics. The frequency of the latter is chosen to be high enough that the atom can be ionized by a single photon. The calculation is performed by numerical integration of the time-dependent Schrödinger equation for a (three-dimensional) hydrogen atom. We present the general properties of the spectra and angular distributions as well as the possible occurrence of interferences between the laser-assisted process and above-threshold ionization. Our results indicate that such interference effects, which can lead to partial coherent control of the photoionization process, can be observed at moderate laser intensities within the reach of currently operated laser and harmonic sources.

© 1996 Optical Society of America

Citation
Richard Taïeb, Valérie Véniard, and Alfred Maquet, "Two-color coherent control of atomic multiphoton ionization with high-order harmonics: time-dependent Schrödinger equation treatment," J. Opt. Soc. Am. B 13, 363-370 (1996)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-13-2-363


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