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A quantum interface based on a single atom in a dipole micro-trap

Keywords:

A.B. Odobesco - Research Scientist, V.A. Kotel’nikov Institute of Radio Engineering and Electronics of RAS (Moscow) E-mail: arty@cplire.ru I.B. Boborov - Research Scientist,, Physical Department, Lomonosov Moscow State University I.A. Burenkov - Research Scientist, Physical Department, Lomonosov Moscow State University E.A. Ruben - Research Scientist, Physical Department, Lomonosov Moscow State University S.S. Straupe - Senior Research Scientist, Physical Department, Lomonosov Moscow State University S.P. Kulik - Research Scientist, Head of Laboratory, Physical Department, Lomonosov Moscow State University


An experimental setup for cooling and trapping single 87Rb atom in a dipole micro-trap is developed. The minima of the trapping potential is 1.3 mK. The collisional blockade regime is gained, when only one single atom could be localized in a dipole micro-trap with probability P(1) ≈ 0.5. The average life time of an atom in the micro-trap is reached tens of seconds. The efficiency of quantum light matter interaction for an atom in free space in the regime of strong focusing is about 10%.
References:

 

  1. Schlosser N., Reymond G., Grangier P. // Phys. Rev. Lett. 2002. № 89. R. 023005.
  2. Tey M.K., Chen Z., Aljunid S., Chng B., Huber F., Maslennikov G., Kurtsiefer C. // Nature Physics. 2008. № 4. R. 924.

 

June 24, 2020
May 29, 2020

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