We have developed a technique to control the placement of atoms in an optical lattice by using a superlattice comprising two separately manipulated, periodic optical potentials with commensurate periods. We demonstrate selective loading of Bose-condensed 87Rb atoms into every third site of a 1-D optical lattice. Interference of atoms released from the optical lattice and optical Bragg reflection from the atoms both reveal the patterned filling. Our technique provides atoms with wide separation yet tight confinement, useful properties for neutral-atom implementations of quantum computing.
Citation: Physical Review A (Atomic, Molecular and Optical Physics)
Issue: No. 5
Pub Type: Journals
Bose condensed 87Rb atoms