CONDITIONAL CONTROLLED PHASE SHIFT OPERATION FOR QUANTUM STATES OF ELECTROMAGNETIC FIELD

George P. Miroshnichenko, Alexander Trifanov

2011 , VOLUME 11, NUMBER 1 ( JANUARY-FEBRUARY )

ISSN 2226-1494 (print), ISSN 2500-0373 (online)

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Nikiforov
Vladimir O.
D.Sc., Prof.

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CONDITIONAL CONTROLLED PHASE SHIFT OPERATION FOR QUANTUM STATES OF ELECTROMAGNETIC FIELD

G. P. Miroshnichenko,

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Abstract

A model of three qubit quantum logical gate of conditional double controlled phase shift is suggested. Quantum unit of information – qubit – is encoded by polarization state of quantum mode of optical cavity. A conditional operator which acts on a field states is obtained. It is shown that this operator works as required phase transformation under the certain conditions with high possibility.

Keywords: quantum computations, logical gate, conditional operator, phase transformation, single photon states

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