• Open Access

Controlling rotation in the molecular frame with an optical centrifuge

Emil J. Zak, Andrey Yachmenev, and Jochen Küpper
Phys. Rev. Research 3, 023188 – Published 7 June 2021
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Abstract

We computationally demonstrate a new method for coherently controlling the rotation-axis direction in asymmetric top molecules with an optical centrifuge. Appropriately chosen electric-field strengths and the centrifuge's acceleration rate allow to generate a nearly arbitrary rotational wave packet. For dihydrogen sulfide (D2S) and 2H-imidazole (C3H4N2), we created wave packets at large values of the rotational quantum number J with the desired projections of the total angular momentum onto two of the molecules' principal axes of inertia. One application of the new method is three-dimensional alignment with a molecular axis aligned along the laser's wave vector, which is important for the three-dimensional imaging of molecules yet not accessible in standard approaches. The simultaneous orientation of the angular momentum in the laboratory frame and in the molecular frame could also be used in robust control of scattering experiments.

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  • Received 8 September 2020
  • Revised 28 April 2021
  • Accepted 4 May 2021

DOI:https://doi.org/10.1103/PhysRevResearch.3.023188

Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.

Published by the American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Emil J. Zak1,*, Andrey Yachmenev1,2, and Jochen Küpper1,2,3,†

  • 1Center for Free-Electron Laser Science, Deutsches Elektronen-Synchrotron DESY, Notkestraße 85, 22607 Hamburg, Germany
  • 2Center for Ultrafast Imaging, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany
  • 3Department of Physics, Universität Hamburg, Luruper Chaussee 149, 22761 Hamburg, Germany

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Issue

Vol. 3, Iss. 2 — June - August 2021

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