Influence of atomic motion on squeezing of double-mode field in interaction with a moving V-type three-level atom

The influences of atomic motion on squeezing of the double-mode field are investigated in the interaction with a moving V-type three level atom by means of the quantum theory and the method of numerical analysis. The results show, on the one hand, when the initial photon field is in non-correlative coherent state of double-mode, only the quadrature U₁ is squeezed and the squeezed degree of U₁ increases with the increasing of the parameter β which denotes the atomic motion and structure of the field mode. On the other hand, when the initial field is in the vacuum squeezed state of double-mode, the quadrature U₂ is squeezed principally and we can obtain a steady squeezed light by choosing an appropriate parameter β.