Implementing Deutsch-Jozsa algorithm using light shifts and atomic ensembles

Details Implementing Deutsch-Jozsa algorithm using light shifts and atomic ensembles Implementing Deutsch-Jozsa algorithm using light shifts and atomic ensembles

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005phrva..71a2333d&link_type=abstract

Physical Review A, vol. 71, Issue 1, id. 012333

Statistics

Computation

12

Quantum Computation, Quantum Mechanics, Quantum Optics

Scientific paper

We present an optical scheme to implement the Deutsch-Jozsa algorithm using ac Stark shifts. The scheme uses an atomic ensemble consisting of four-level atoms interacting dispersively with a field. This leads to a Hamiltonian in the atom-field basis which is quite suitable for quantum computation. We show how one can implement the algorithm by performing proper one- and two-qubit operations. We emphasize that in our model the decoherence is expected to be minimal due to our usage of atomic ground states and freely propagating photon.

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