Report

Deterministic Delivery of a Single Atom

Science  13 Jul 2001:
Vol. 293, Issue 5528, pp. 278-280
DOI: 10.1126/science.1062725

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Abstract

We report the realization of a deterministic source of single atoms. A standing-wave dipole trap is loaded with one or any desired number of cold cesium atoms from a magneto-optical trap. By controlling the motion of the standing wave, we adiabatically transport the atom with submicrometer precision over macroscopic distances on the order of a centimeter. The displaced atom is observed directly in the dipole trap by fluorescence detection. The trapping field can also be accelerated to eject a single atom into free flight with well-defined velocities.

  • * To whom correspondence should be addressed. E-mail: kuhr{at}iap.uni-bonn.de

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