Population mixing due to dipole-dipole interactions in a one-dimensional array of multilevel atoms

E. Munro, A. Asenjo-Garcia, Y. Lin, L. C. Kwek, C. A. Regal, and D. E. Chang
Phys. Rev. A 98, 033815 – Published 13 September 2018

Abstract

We examine theoretically how dipole-dipole interactions arising from multiple photon scattering lead to a modified distribution of ground-state populations in a driven, ordered one-dimensional array of multilevel atoms. Specifically, we devise a level configuration in which a ground-state population accumulated solely due to dipole-dipole interactions can be up to 20% in regimes accessible to current experiments with neutral atom arrays. For much larger systems, the steady state can consist of an equal distribution of population across the ground-state manifold. Our results illustrate how dipole-dipole interactions can be accentuated through interference, and regulated by the geometry of ordered atom arrays. More generally, control techniques for multilevel atoms that can be degraded by multiple scattering, such as optical pumping, will benefit from an improved understanding and control of dipole-dipole interactions available in ordered arrays.

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  • Received 6 December 2017

DOI:https://doi.org/10.1103/PhysRevA.98.033815

©2018 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

E. Munro1,2, A. Asenjo-Garcia3,4,5, Y. Lin6, L. C. Kwek1,7,8,9, C. A. Regal6,10, and D. E. Chang5,11

  • 1Centre for Quantum Technologies, National University of Singapore, 3 Science Drive 2, Singapore 117543
  • 2Entropica Labs, 32 Carpenter Street, Singapore 059911
  • 3Norman Bridge Laboratory of Physics MC12-33, California Institute of Technology, Pasadena, California 91125, USA
  • 4Institute for Quantum Information and Matter, California Institute of Technology, Pasadena, California 91125, USA
  • 5ICFO-Institut de Ciencies Fotoniques, The Barcelona Institute of Science and Technology, 08860 Castelldefels (Barcelona), Spain
  • 6JILA, National Institute of Standards and Technology and University of Colorado, Boulder, Colorado 80309, USA
  • 7Institute of Advanced Studies, Nanyang Technological University, 60 Nanyang View, Singapore 639673
  • 8National Institute of Education, Nanyang Technological University, 1 Nanyang Walk, Singapore 637616
  • 9MajuLab, CNRS-UNS-NUS-NTU International Joint Research Unit, Singapore UMI 3654
  • 10Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
  • 11ICREA-Institució Catalana de Recerca i Estudis Avançats, 08015 Barcelona, Spain

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Issue

Vol. 98, Iss. 3 — September 2018

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