Dynamical control of matter-wave splitting using time-dependent optical lattices

被引：13
作者：
Park, Sung Jong [1 ,2 ]
Andersen, Henrik Kjaer [1 ]
Mai, Sune [1 ]
Arlt, Jan [1 ]
Sherson, Jacob F. [1 ]
机构：
[1] Univ Aarhus, Dept Phys & Astron, Danish Natl Res Fdn Ctr Quantum Opt, DK-8000 Aarhus C, Denmark
[2] Korea Res Inst Stand & Sci, Taejon 305340, South Korea
来源：
PHYSICAL REVIEW A | 2012年 / 85卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
BOSE-EINSTEIN CONDENSATE; MOTT INSULATOR; ATOMS; TRANSITION; SUPERFLUID;
D O I：
10.1103/PhysRevA.85.033626
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report on measurements of splitting Bose-Einstein condensates (BEC) by using a time-dependent optical lattice potential. First, we demonstrate the division of a BEC into a set of equally populated components by means of time-dependent control of Landau-Zener tunneling in a vertical lattice potential. Next, we apply time-dependent optical Bragg mirrors to a BEC oscillating in a harmonic trap. We demonstrate high-order Bragg reflection of the condensate due to multiphoton Raman transitions, where the depth of the optical lattice potential allows for a choice of the order of the transition. Finally, a combination of multiple Bragg reflections and Landau-Zener tunneling allows for the generation of macroscopic arrays of condensates with potential applications in atom optics and atom interferometry.
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页数：7
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