4.6 Article

Crossed vortex bottle beam trap for single-atom qubits

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OPTICS LETTERS
卷 37, 期 5, 页码 851-853

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OPTICAL SOC AMER
DOI: 10.1364/OL.37.000851

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  1. Army Research Office [W911NF-10-1-0347]
  2. Defense Advanced Research Projects Agency

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We demonstrate trapping and quantum state control of single cesium atoms in a 532 nm wavelength bottle beam trap. The three-dimensional trap is formed by crossing two unit charge vortex beams. Single atoms are loaded with 50% probability directly from a magneto-optical trap. We achieve a trapping lifetime of up to 6 s and demonstrate fast Rabi oscillations with a coherence time of T-2 similar to 43 +/- 9 ms. (C) 2012 Optical Society of America

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