a Center for the Condensed-Matter Science and Technology, Harbin Institute of Technology, Harbin 150001, China; b Department of Physics, College of Science and Engineering, Yanbian University, Yanji 133002, China
Abstract 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.
Received: 10 October 2004
Revised: 14 December 2004
Accepted manuscript online:
Zhu Ai-Dong (朱爱东), Zhang Shou (张寿), Zhao Yong-Fang (赵永芳) Influence of atomic motion on squeezing of double-mode field in interaction with a moving V-type three-level atom 2005 Chinese Physics 14 1152
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