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A Single Atom Transistor in a 1D Optical Lattice

A. Micheli·A. J. Daley·D. Jaksch·P. Zoller
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Abstract

We propose a scheme utilising a quantum interference phenomenon to switch the transport of atoms in a 1D optical lattice through a site containing an impurity atom. The impurity represents a qubit which in one spin state is transparent to the probe atoms, but in the other acts as a single atom mirror. This allows a single-shot quantum non-demolition measurement of the qubit spin.

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A. Micheli, A. J. Daley, D. Jaksch, P. Zoller. 2004-06-03. A Single Atom Transistor in a 1D Optical Lattice. https://doi.org/10.1103/physrevlett.93.140408

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