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Physica B+C

Light squeezing in the two-atom one-mode model with multi-photon transitions

Fam Le Kien, E.P. Kadantseva, A.S. Shumovsky

Published Jun 1, 1988• 5 citations
Publisher
DOI
10.1016/0378-4363(88)90087-3

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Multiphoton interaction of single-mode squeezed-state light and a two-level atom is considered based on the K-photon Jaynes–Cummings model. Time evolution of quantum fluctuation and photon statistical properties of the initial squeezing light are discussed. It is found that through interaction with a two-level atom, larger squeezing levels cannot be achieved in one-photon or multiphoton processes. For photon antibunching behavior of the light field, it is shown that a smaller initial squeezing level and an appropriately larger coherent part of the initial average photon number of the radiation field favor the generation of this nonclassical behavior, especially in the lower-order interaction processes.
The quantum properties of atoms in Gaussian coupling Tavis-Cummings model in the multi-photon transition process are studied.The influence on atomic population inversion and double-atom dipole squeezing from atomic motion,the mean photon number in initial states of the light field,number of transition photons in the multi-photon transition process are discussed with the numerical calculation method.The results show that the variation of atomic motion changes the time for effective action between atomic population inversion,double-atom dipole squeezing and fight field.The variation of number of transition photons changes oscillation amplitude and frequency of time evolution of atomic population inversion and double-atom dipole squeezing.