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Quantum Electronics and Laser Science Conference

Site-selectivity and spin exchange in a double-well optical lattice

P. J. Lee, Marco Anderlini, Benjamin L. Brown, Jennifer Sebby-Strabley, William D. Phillips, J. V. Porto

Published May 1, 2007• 0 citations
Publisher

Abstract

We have demonstrated site-selective radio frequency addressing of atoms with subwavelength resolution and a spin-exchange mechanism for a square root of swap gate in a spindependent double-well optical lattice.
DOI
10.1109/qels.2007.4431677

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Spin exchange in a double-well optical lattice for a SWAP\sqrt{SWAP}SWAP​ gate
We load atoms into every site of an optical lattice and selectively spin flip atoms in a sublattice consisting of every other site. These selected atoms are separated from their unselected neighbors by less than an optical wavelength. We also show spin-dependent transport, where atomic wave packets are coherently separated into adjacent sites according to their internal state. These tools should be useful for quantum information processing and quantum simulation of lattice models with neutral atoms.