Trapping Yb171 atoms into a one-dimensional optical lattice with a small waist

Akio Kawasaki, Boris Braverman, Edwin Pedrozo-Peñafiel, Chi Shu, Simone Colombo, Zeyang Li, and Vladan Vuletić
Phys. Rev. A 102, 013114 – Published 29 July 2020

Abstract

In most experiments with atoms trapped in optical lattices, the transverse size of the optical lattice beams is of the order of tens of micrometers, and loading many atoms into smaller optical lattices has not been carefully investigated. We report trapping 1500 Yb171 atoms in a one-dimensional optical lattice generated by a narrow cavity mode at a distance of 0.14 mm from a mirror surface. The simplest approach of loading atoms from a mirror magneto-optical trap overlapped with the cavity mode allows the adjustment of the loading position by tuning a uniform bias magnetic field. The number of atoms trapped in the optical lattice exhibits two local maxima for different lattice depths, with a global maximum in the deeper lattice. These results open a way to quantum mechanical manipulation of atoms based on strong interaction with a tightly focused light field.

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  • Received 23 February 2020
  • Accepted 9 July 2020

DOI:https://doi.org/10.1103/PhysRevA.102.013114

©2020 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & Optical

Authors & Affiliations

Akio Kawasaki1,*,†, Boris Braverman1,*,‡, Edwin Pedrozo-Peñafiel1, Chi Shu1,2, Simone Colombo1, Zeyang Li1, and Vladan Vuletić1

  • 1Department of Physics, MIT-Harvard Center for Ultracold Atoms and Research Laboratory of Electronics, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, USA
  • 2Department of Physics, Harvard University, Cambridge, Massachusetts 02138, USA

  • *These authors contributed equally to this work.
  • Present address: W. W. Hansen Experimental Physics Laboratory and Department of Physics, Stanford University, Stanford, California 94305, USA; akiok@stanford.edu
  • Present address: Department of Physics and Max Planck Centre for Extreme and Quantum Photonics, University of Ottawa, 25 Templeton Street, Ottawa, Ontario K1N 6N5, Canada; bbraverm@uottawa.ca

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Vol. 102, Iss. 1 — July 2020

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