Unity occupation of sites in a 3D optical lattice

被引:138
作者
DePue, MT [1 ]
McCormick, C [1 ]
Winoto, SL [1 ]
Oliver, S [1 ]
Weiss, DS [1 ]
机构
[1] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA
关键词
D O I
10.1103/PhysRevLett.82.2262
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
An average filling factor of one atom per lattice site has been obtained in a submicron scale far-off-resonance optical lattice (FORL). High site occupation is obtained through a compression sequence that includes laser cooling in a 3D FORL and adiabatic toggling between the 3D FORL and a 1D FORL trap. After the highest filling factor is achieved, laser cooling causes collisional loss from lattice sites with more than one atom. Ultimately 44% of the sites have a single atom cooled to near its vibrational ground state. A theoretical model of site occupation based on Poisson statistics agrees well with the experimental results.
引用
收藏
页码:2262 / 2265
页数:4
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