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Acta Optica Sinica

Phase properties of the field in the Jaynes-Cummings model with an additional Kerr medium

Mao-Fa Fang

Published Jan 1, 1993• 0 citations
OpenAlex

Abstract

The phase properties of the field in the Jaynes-Cummings model with an additional Kerr medium are discussed from the point of view of the new phase formalism of Pegg and Barnett. The phase probability distribution, the expectation values and the fluctuations of the Hermitian phase operator and the phase fluctuations are obtained. The effect of nonlinearity interaction of Kerr medium on the phase properties are analysed in comparison with the standard Jaynes-Cummings.

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The phase properties of the field in the Jaynes-Cummings model with an additional Kerr medium are discussed from the point of view of the new phase formalism of Pegg and Barnett. The phase probability distribution, the expectation values and the fluctuations of the Hermitian phase operator and the phase fluctuations are obtained. The effect of nonlinearity interaction of Kerr medium on the phase properties are analysed in comparison with the standard Jaynes-Cummings.
WT5BZ]We consider the generalized Jaynes-Cummings model with intensity - dependent coupling interacting with a squeezed vacuum. From the point of view of the new phase formalism of Pegg and Barnett, we have not only found the exact general expressions of the phase distribution and the associated expectation value and variance of the phase of the squeezed vacuum field and their evolution illustrated graphically, but also derived approximately analytic formulas of that for the weakly and strongly squeezed vacuum. The relation between squeezing and the phase properties of the squeezed vacuum is discussed briefly.