Quantum nondemolition measurements of collective atomic spin

A. Kuzmich, L. Mandel, J. Janis, Y. E. Young, R. Ejnisman, and N. P. Bigelow
Phys. Rev. A 60, 2346 – Published 1 September 1999
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Abstract

We have performed quantum nondemolition measurements on the collective spin of 106 cesium atoms. In this way ensembles of atoms with sub-shot-noise fluctuations of a collective spin have been prepared. These observations open the way toward the generation of squeezed spin states of atoms.

  • Received 21 December 1998

DOI:https://doi.org/10.1103/PhysRevA.60.2346

©1999 American Physical Society

Authors & Affiliations

A. Kuzmich and L. Mandel

  • Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627

J. Janis, Y. E. Young, R. Ejnisman, and N. P. Bigelow

  • Department of Physics and Astronomy and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627

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Vol. 60, Iss. 3 — September 1999

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