Carrier-envelope phase control over pathway interference in strong-field dissociation of H$_2^+$ molecular ions

POSTER

Abstract

The dissociation of an H$_2^+$ molecular-ion beam by linearly polarized, carrier-envelope-phase-tagged 5-fs laser pulses is studied experimentally and theoretically. A coincidence 3D momentum imaging technique is employed to fully characterize the dissociation kinematics. We observe carrier-envelope-phase-dependent asymmetries in the emission direction of H$^+$ fragments relative to the laser polarization for two kinetic energy release regions. These asymmetries are caused by the interference of odd and even photon number pathways [1-2]. In the low kinetic energy region (0.2-0.45 eV), the net-zero-photon and one-photon pathways interfere predominantly while net-two-photon and one-photon interference contributes at the higher kinetic energy region, 1.65-1.9 eV. These measurements are quantitatively compared to ab initio theoretical calculations [1-2] to further our understanding of strong-field coherent control via the carrier-envelope phase.\\[4pt] [1] Nora G. Kling et al. Phys. Rev. Lett. 111, 163004 (2013).\\[0pt] [2] V. Roudnev, B.D. Esry, and I. Ben-Itzhak, Phys. Rev. Lett. 93, 163601 (2004).

Authors

  • M. Zohrabi

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA

  • Nora G. Kling

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA

  • K.J. Betsch

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA

  • Shuo Zeng

    J. R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas, 66506, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA

  • F. Anis

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA

  • U. Ablikim

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA

  • Bethany Jochim

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA

  • Z. Wang

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA

  • M.F. Kling

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA

  • K. Carnes

    J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA, J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA

  • Brett D. Esry

    Kansas State University, J. R. Macdonald Laboratory, Kansas State University, Manhattan, Kansas, 66506, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA, Department of Physics, Kansas State University

  • I. Ben-Itzhak

    J.R. Macdonald Laboratory, Physics Dept, Kansas State University, Manhattan, KS, U.S.A., J. R. Macdonald Laboratory, Department of Physics, Kansas State University, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS, USA, J.R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA, J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, KS 66506 USA, J.R. Macdonald Laboratory, Physics Dept, Kansas State University, Manhattan, KS, U.S.A, J. R. Macdonald Laboratory, Physics Dept., Kansas State University, Manhattan, KS, USA, J. R. Macdonald Laboratory, Physics Department, Kansas State University, Manhattan, KS 66506, USA

  • M. K\"{u}bel

    Max-Planck-Institut f\"{u}r Quantenoptik, D-85748 Garching, Germany