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A combinative triple-well optical trap for three-species cold atoms or molecules

Lu Jun-Fa Zhou Qi Ji Xian-Ming Yin Jian-Ping

A combinative triple-well optical trap for three-species cold atoms or molecules

Lu Jun-Fa, Zhou Qi, Ji Xian-Ming, Yin Jian-Ping
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  • Abstract views:  4025
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  • Received Date:  30 October 2009
  • Accepted Date:  27 August 2010
  • Published Online:  15 June 2011

A combinative triple-well optical trap for three-species cold atoms or molecules

  • 1. (1)Department of Physics, East China Institute of Technology, Fuzhou 344000, China; State Key Laboratory of Precision Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062, China; (2)School of Science, Nantong University, Nantong 226007, China; (3)State Key Laboratory of Precision Spectroscopy, Department of Physics, East China Normal University, Shanghai 200062, China

Abstract: We propose a scheme to form a combinative triple-well optical trap for cold atoms or molecules in focus plane by using an optical system composed of a lens and a phase-type spatial light modulator (SLM) based on liquid crystal microdisplays illuminated by a plane light wave. The principle of forming a triple-well optical trap is analyzed and the characteristic parameters of optical potential are calculated. We also discuss the evolution between a tripe-well optical trap and a double-well one (or a single-well one). Additionally, the propotential applications of our triple-well trap and its novel optical lattices in four-wave mixing with matter waves, cold collision of three atomic species and so on, are explored.

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