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Engineering quantum computers and channels in quantum electrodynamical systems.

Author(s)
Mazhar Javed Department of Electronics, Quaid-e-Azam University, Islamabad, Pakistan
Abdel-Aty Department of Electronics, Quaid-e-Azam University, Islamabad, Pakistan
Mahmoud Department of Electronics, Quaid-e-Azam University, Islamabad, Pakistan
Farhan Saif Department of Electronics, Quaid-e-Azam University, Islamabad, Pakistan
Arbab A. Khan Department of Mathematics, Faculty of Science, Sohag, Egypt
Abstract
In a controlled QED system, we suggest a single qubit and multiple qubit quantum controlled NOT logic gate. Furthermore, we discuss the developments of quantum channels in these systems. We study the interaction of an atom with two modes of Electromagnetic field in a high-Q cavity. In the development of universal logic gate, the two-level atom acts as a control qubit and the two mode electromagnetic field serves as a target qubit. Latter, we present a scheme for the generation of entanglement between different modes of radiation field inside high-Q superconducting cavities which serve as quantum channels. This work enable us to generate a complete set of Bell basis and a quantum entangled Greenberger-Horn-Zeilinger state. Thus the QED systems serve as a basic building block in Quantum Computation and Quantum Information Processing.
Publication Details
Page(s) 62-74
DOI DOI not available
Published Journal: Islamabad Journal of Science, Volume: 14, Issue: 1, Year: 2004

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