One- and two-qubit quantum gates using superimposed optical-lattice potentials

  title={One- and two-qubit quantum gates using superimposed optical-lattice potentials},
  author={Nils B. J{\o}rgensen and Mark G. Bason and Jacob Friis Sherson},
  journal={Physical Review A},
Steps towards implementing a collision based two-qubit gate in optical lattices have previously been realized by the parallel merging all pairs of atoms in a periodicity two superlattice. In contrast, we propose an architecture which allows for the merger of a selected qubit pair in a novel long-periodicity superlattice structure consisting of two optical lattices with close-lying periodicity. We numerically optimize the gate time and fidelity, including the effects on neighboring atoms, and in… 

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