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AIP conference proceedings

Quantum superpositions of two equal-intensity coherent states

Anna Napoli

Published Jan 1, 2000• 0 citations
Publisher

Abstract

We propose an experimental scheme for the generation of quantum superpositions of two single-mode equal-intensity coherent states, characterized by the presence of infinite zeros in their photon number distributions.
DOI
10.1063/1.1303360

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It is constructed that the four-state superposition multimode functional superposition state light-field│Ψ(fj)〉q composed of the multimode functional coherent state the multimode complex conjugate functional coherent state and their contrary states by equal probability according to the superposition principle of quantum state in quantum mechanics.By utilizing the theory of multimode squeezed state the characteristics of generalized nonlinear equal-power sum-squeezing of the state is studied and it is found when the product of cavity-mode-number and squeezed number is an odd number the two quadrature components of the state can present symmetry equal-power sum-squeezing effect and the squeezed degree the squeezed depth are related intensively to the classical intensity and initial phase of each mode of the state and other parameters.The further research shown that only the second quadrature component of the state can present sum-squeezing effect if the classical intensity of the four three light-fields of the state │Ψ(fj)〉q according to Hermitian Gaussian distribution.