Coherent Control at Its Most Fundamental: Carrier-Envelope-Phase-Dependent Electron Localization in Photodissociation of a H2+ Molecular Ion Beam Target

T. Rathje, A. M. Sayler, S. Zeng, P. Wustelt, H. Figger, B. D. Esry, and G. G. Paulus
Phys. Rev. Lett. 111, 093002 – Published 27 August 2013
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Abstract

Measurements and calculations of the absolute carrier-envelope-phase (CEP) effects in the photodissociation of the simplest molecule, H2+, with a 4.5-fs Ti:sapphire laser pulse at intensities up to (4±2)×1014W/cm2 are presented. Localization of the electron with respect to the two nuclei (during the dissociation process) is controlled via the CEP of the ultrashort laser pulses. In contrast to previous CEP-dependent experiments with neutral molecules, the dissociation of the molecular ions is not preceded by a photoionization process, which strongly influences the CEP dependence. Kinematically complete data are obtained by time- and position-resolved coincidence detection. The phase dependence is determined by a single-shot phase measurement correlated to the detection of the dissociation fragments. The experimental results show quantitative agreement with ab initio 3D time-dependent Schrödinger equation calculations that include nuclear vibration and rotation.

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  • Received 6 June 2013

DOI:https://doi.org/10.1103/PhysRevLett.111.093002

© 2013 American Physical Society

Authors & Affiliations

T. Rathje1,2, A. M. Sayler1,2, S. Zeng3, P. Wustelt1, H. Figger4, B. D. Esry3, and G. G. Paulus1,2,*

  • 1Institute for Optics and Quantum Electronics, Friedrich Schiller University Jena, Max-Wien-Platz 1, 07743 Jena, Germany
  • 2Helmholtz-Institut Jena, Helmholtzweg 4, D-07743 Jena, Germany
  • 3J. R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas 66505, USA
  • 4Max Planck Institute of Quantum Optics, Hans-Kopfermann-Strasse 1, 85748 Garching, Germany

  • *gerhard.paulus@uni-jena.de

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Issue

Vol. 111, Iss. 9 — 30 August 2013

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