Implementing Deutsch-Jozsa algorithm using light shifts and atomic ensembles
Date
2005-01-27Author
Dasgupta, Shubhrangshu
Biswas, Asoka
Agarwal, G. S.
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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.
Citation
Dasgupta, S., Biswas, A., & Agarwal, G. S. (2005). Implementing Deutsch-Jozsa algorithm using light shifts and atomic ensembles. Physical Review A, 71(1), Article 012333. https://doi.org/10.1103/PhysRevA.71.012333