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arXiv · 2110.06668

Sub-femtosecond optical control of entangled states

Farshad Shobeiry·Patrick Fross·Hemkumar Srinivas·Thomas Pfeifer·Robert Moshammer·Anne Harth
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Abstract

For photo-dissociation of a single hydrogen molecule (H2) with combined XUV and IR laser pulses, we demonstrate optical control of the emission direction of the photoelectron with respect to the outgoing neutral fragment (the H-atom). Depending on the relative delay between the two laser fields, adjustable with sub-femtosecond time resolution, the photoelectron is emitted into the same hemisphere as the H-atom or opposite. This emission asymmetry is a result of entanglement of the two-electron final-state involving the spatially separated bound and emitted electron.

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Farshad Shobeiry, Patrick Fross, Hemkumar Srinivas, Thomas Pfeifer, Robert Moshammer, Anne Harth. 2021-10-13. Sub-femtosecond optical control of entangled states. https://doi.org/10.1038/s41598-024-67465-0

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