Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Quantum Optics Journal of the European Optical Society Part B

Quantum collapse and revival of a two-level atom with intensity-dependent detuning in a finite Q cavity at finite temperature

V. Bernat, Igor Jex

Published Feb 1, 1992• 11 citations
Publisher

Abstract

The authors consider a generalization of the Jaynes-Cummings model when the cavity is supposed to be filled with a Kerr-like medium. The non-linearity induced by the Kerr-like medium leads to an inhibited decay of the initially excited atom. In the present papers they analyse the influence of the quality of the cavity and the influence of a thermofield on the collapses and revivals of the atomic inversion.

DOI
10.1088/0954-8998/4/1/002

Related papers

Dynamical evolution of the two-photon Jaynes-Cummings model in a Kerr-like medium

Amitabh Joshi, Ravinder Rupchand Puri

The collapse-and-revival phenomenon in the population inversion and the time evolution of the quasiprobability Q function of an atom undergoing a two-photon process are investigated when the cavity is supposed to be filled with a Kerr-like medium. An exact expression for the atomic population inversion has been given for a field initially in the coherent state. The closed form of this expression as well as that of the Q function are obtained under the high-field approximation. Also, the tendency toward inhibited decay of the excited state has been explicitly shown. This study reveals how the simultaneous occurrence of two nonlinear processes affects the atomic dynamics.

Physical Review A•Apr 1, 1992•115 citations

Controlling nonclassical properties of the Jaynes-Cummings model by an external coherent field

Fuli Li, Shaoyan Gao

The dynamics of the driven Jaynes-Cummings model where a two-level atom is coupled to a single mode of cavity fields and is driven by an external coherent field is investigated. We find that in this model quantum collapse and revivals of the atomic population inversion and squeezing of the cavity field can be generated from a thermal photon state. We also notice that the squeezing is very sensitive to the mean number of thermal photons initially in the cavity, but the quantum collapse and revivals are not. The influence of the amplitude of the driving field and various detuning parameters on the nonclassical effects is discussed. The result shows that one can use the external field to control nonclassical effects in the Jaynes-Cummings model.

Physical Review A•Sep 13, 2000•26 citations

Fluorescence spectrum of a two-level atom interacting with a quantized field in a Kerr-like medium

Amitabh Joshi, S. V. Lawande

A generalized Jaynes-Cummings model when an ideal cavity is filled with a Kerr-like medium is considered. The fluorescence spectrum produced by such a system using the infinity of transitions among the dressed states of the Jaynes-Cummings model is analyzed. A large number of resonances in the spectra are observed that are sensitive to the initial field statistics as well as the nonlinearity of the medium. Also, the fine structure of the spectra gets considerably modified by increasing the nonlinearity of the Kerr-like medium.

Physical Review A•Nov 1, 1992•21 citations

Revival-collapse phenomenon in the quadrature squeezing of the multiphoton intensity-dependent Jaynes–Cummings model

Faisal A. A. El-Orany

For multiphoton intensity-dependent Jaynes-Cummings model (JCM), which is described by two-level atom interacting with a radiation field, we prove that there is a relationship between the atomic inversion and the quadrature squeezing. We give the required condition to obtain best information from this relation. Also we show that this relation is only sensitive to large values of the detuning parameter. Furthermore, we discuss briefly such relation for the off-resonance standard JCM.

arXiv:0909.0311•Journal of Modern Optics•Jun 12, 2006•9 citations

Antibunching Effects in Two-photon Jaynes Cummings model with a Kerr-like Medium

Ye Liu

We have studied antibunching effects in a system where a two level atom interacts with a single mode field surrounded by a Kerr like medium in a high Q cavity through two photon transition, particularly shown the influence of the coupling constant between a Kerr like medium and field, detuning on antibunching under different initial atomic states.

•Jan 1, 1999•0 citations

Revival-collapse phenomenon in the quadrature squeezing of the multiphoton intensity-dependent Jaynes-Cummings model

Faisal A. A. El-Orany

For multiphoton intensity-dependent Jaynes-Cummings model (JCM), which is described by two-level atom interacting with a radiation field, we prove that there is a relationship between the atomic inversion and the quadrature squeezing. We give the required condition to obtain best information from this relation. Also we show that this relation is only sensitive to large values of the detuning parameter. Furthermore, we discuss briefly such relation for the off-resonance standard JCM. PACS numbers: 42.50.Dv, 32.80.-t, 42.50.-p. I.

•Jan 1, 2009•8 citations
The authors consider a generalization of the Jaynes-Cummings model when the cavity is supposed to be filled with a Kerr-like medium. The non-linearity induced by the Kerr-like medium leads to an inhibited decay of the initially excited atom. In the present papers they analyse the influence of the quality of the cavity and the influence of a thermofield on the collapses and revivals of the atomic inversion.
The collapse-and-revival phenomenon in the population inversion and the time evolution of the quasiprobability Q function of an atom undergoing a two-photon process are investigated when the cavity is supposed to be filled with a Kerr-like medium. An exact expression for the atomic population inversion has been given for a field initially in the coherent state. The closed form of this expression as well as that of the Q function are obtained under the high-field approximation. Also, the tendency toward inhibited decay of the excited state has been explicitly shown. This study reveals how the simultaneous occurrence of two nonlinear processes affects the atomic dynamics.
The dynamics of the driven Jaynes-Cummings model where a two-level atom is coupled to a single mode of cavity fields and is driven by an external coherent field is investigated. We find that in this model quantum collapse and revivals of the atomic population inversion and squeezing of the cavity field can be generated from a thermal photon state. We also notice that the squeezing is very sensitive to the mean number of thermal photons initially in the cavity, but the quantum collapse and revivals are not. The influence of the amplitude of the driving field and various detuning parameters on the nonclassical effects is discussed. The result shows that one can use the external field to control nonclassical effects in the Jaynes-Cummings model.
A generalized Jaynes-Cummings model when an ideal cavity is filled with a Kerr-like medium is considered. The fluorescence spectrum produced by such a system using the infinity of transitions among the dressed states of the Jaynes-Cummings model is analyzed. A large number of resonances in the spectra are observed that are sensitive to the initial field statistics as well as the nonlinearity of the medium. Also, the fine structure of the spectra gets considerably modified by increasing the nonlinearity of the Kerr-like medium.
For multiphoton intensity-dependent Jaynes-Cummings model (JCM), which is described by two-level atom interacting with a radiation field, we prove that there is a relationship between the atomic inversion and the quadrature squeezing. We give the required condition to obtain best information from this relation. Also we show that this relation is only sensitive to large values of the detuning parameter. Furthermore, we discuss briefly such relation for the off-resonance standard JCM. PACS numbers: 42.50.Dv, 32.80.-t, 42.50.-p. I.