Uncover quantumness in the crossover from coherent to quantum-correlated phases via photon statistics and entanglement in the Tavis–Cummings model

Cuartas, Juan Pablo; Vinck-Posada, Herbert

doi:10.1016/j.ijleo.2021.167672

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Mandel's 𝑄-Factor1

The Model1

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2023

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“…It is a common experience that a nonclassical photon number correlation can be studied by applying the measure of a departure of the photon statistics from the Poisson character [43]. This measure of departure can be represented by Mandel's 𝑄-factor defined as [44]…”

Section: Mandel's 𝑄-Factormentioning

confidence: 99%

The Quantum Features of Correlated Photons with the Effect of Phase Fluctuation

Kumela¹,

Gemta²,

Hordofa³

et al. 2023

Ukr. J. Phys.

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We theoretically investigate the effect of phase fluctuations on correlated photons resulting from nondegenerate three-level atoms under the cavity radiation. The photon statistics, photon number correlation, and entanglement properties of the system have been calculated employing the dynamical equation of the system. It is shown that, for the sub-Poissonian photon statistics, the degree of correlation increases with the atomic pumping rate, and the entanglement varies with phase fluctuations, rather than with the atomic pumping rate. The proposed system is well suitable for the quantum information processing.

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Section: Mandel's 𝑄-Factormentioning

confidence: 99%

The Quantum Features of Correlated Photons with the Effect of Phase Fluctuation

Kumela¹,

Gemta²,

Hordofa³

et al. 2023

Ukr. J. Phys.

View full text Add to dashboard Cite

show abstract

“…While the Tavis-Cummings model [60,61] has been considered in several works [65,68,[79][80][81][82][83][84][85][86][87][88][89][90][91][92], the setting analyzed here appears to be not much explored [63], and even less for what concerns the analysis of quantum correlations (see related studies in Refs. [93][94][95][96] also for related models in Refs.…”

Section: The Modelmentioning

confidence: 99%