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Phys. Rev. A 65, 052324 (2002) [4 pages]

Cavity QED implementation of the discrete quantum Fourier transform

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Marlan O. Scully
Department of Physics and Institute for Quantum Studies, Texas A&M University, College Station, Texas 77843-4242
Max-Planck-Institut für Quantenoptik, D-85748 Garching, Germany

M. Suhail Zubairy
Department of Physics and Institute for Quantum Studies, Texas A&M University, College Station, Texas 77843-4242
Department of Electronics, Quaid-i-Azam University, Islamabad, Pakistan

Received 24 November 2001; published 8 May 2002

We present a scheme for the implementation of the discrete quantum Fourier transform using cavity quantum electrodynamics. In the proposed scheme a series of atoms whose atomic coherence carries the input state passes through a series of cavities and classical field, and the resulting state in the cavities is the quantum Fourier transform of the input state.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.65.052324
DOI:
10.1103/PhysRevA.65.052324
PACS:
03.67.Lx
 
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