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Odd electron wave packets from cycloidal ultrashort laser fields

Author

Listed:
  • S. Kerbstadt

    (Carl von Ossietzky Universität Oldenburg, Institut für Physik)

  • K. Eickhoff

    (Carl von Ossietzky Universität Oldenburg, Institut für Physik)

  • T. Bayer

    (Carl von Ossietzky Universität Oldenburg, Institut für Physik)

  • M. Wollenhaupt

    (Carl von Ossietzky Universität Oldenburg, Institut für Physik)

Abstract

Polarization-tailored bichromatic femtosecond laser fields with cycloidal polarization profiles have emerged as a powerful tool for coherent control of quantum processes. We present an optical scheme to create and manipulate three-dimensional free electron wave packets with arbitrary rotational symmetry by combining advanced supercontinuum pulse shaping with high resolution photoelectron tomography. Here we use carrier-envelope phase-stable polarization-tailored bichromatic (3ω:4ω) counter- and corotating femtosecond laser pulses to generate 7-fold rotational symmetric and asymmetric photoelectron momentum distributions by multiphoton ionization of sodium atoms. To elucidate the physical mechanisms, we investigate the interplay between the symmetry properties of the driving field and the resulting electron wave packets by varying the optical field parameters. Our results show that the symmetry properties of electron wave packets are not fully determined by the field symmetry, but completely described by multipath quantum interference of states with different angular momenta.

Suggested Citation

  • S. Kerbstadt & K. Eickhoff & T. Bayer & M. Wollenhaupt, 2019. "Odd electron wave packets from cycloidal ultrashort laser fields," Nature Communications, Nature, vol. 10(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-08601-7
    DOI: 10.1038/s41467-019-08601-7
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    Cited by:

    1. Kotaro Ogawa & Natsuki Kanda & Yuta Murotani & Ryusuke Matsunaga, 2024. "Programmable generation of counterrotating bicircular light pulses in the multi-terahertz frequency range," Nature Communications, Nature, vol. 15(1), pages 1-8, December.

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