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Trapped Ion Quantum Computing

Optical Modulation of Electron Beams in Free Space

arXiv
Authors: F. Javier García de Abajo, Andrea Konečná

Year

2020

Paper ID

19483

Status

Preprint

Abstract Read

~2 min

Abstract Words

108

Citations

77

Abstract

We exploit free-space interactions between electron beams and tailored light fields to imprint on-demand phase profiles on the electron wave functions. Through rigorous semiclassical theory involving a quantum description of the electrons, we show that monochromatic optical fields focused in vacuum can be used to correct electron beam aberrations and produce selected focal shapes. Stimulated elastic Compton scattering is exploited to imprint the phase, which is proportional to the integrated optical field intensity along the electron path and depends on the transverse beam position. The required light intensities are attainable in currently available ultrafast electron microscope setups, thus opening the field of free-space optical manipulation of electron beams.

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  • This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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  • We exploit free-space interactions between electron beams and tailored light fields to imprint on-demand phase profiles on the electron wave functions.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2011.03884 [2] arXiv https://arxiv.org/abs/2011.03884 [3] Publisher https://arxiv.org/abs/2011.03884

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