The squeezing properties in the Jaynes-Cummings model with arbitrary intensity-dependent coupling

1996 ◽  
Vol 18 (4) ◽  
pp. 405-423 ◽  
Author(s):  
Rui-hua Xie ◽  
Qin Rao ◽  
Dun-huan Liu ◽  
Gong-ou Xu
1995 ◽  
Vol 48 (6) ◽  
pp. 907 ◽  
Author(s):  
Rui-hua Xie ◽  
Gong-ou Xu ◽  
Dun-huan Liu

We have studied the squeezing properties of a field and atom in a two-level system. The influence of nonlinear interactions (Le. the arbitrary intensity-dependent coupling of a single-mode field to a single two-level atom, the nonlinear interaction of the field with a nonlinear Kerr-like medium) on the squeezing is discussed in detail in the rotating wave approximation (RWA). We show numerically that the effect of the virtual-photon field suppresses dipole squeezing predicted in the RWA and leads to an increased squeeze revival period; the suppressed squeezing can be revived due to the presence of the nonlinear Kerr-like medium.


2012 ◽  
Vol 41 (11) ◽  
pp. 1347-1353 ◽  
Author(s):  
刘小娟 LIU Xiao-juan ◽  
周并举 ZHOU bing-ju ◽  
姜春蕾 JIANG Chun-lei ◽  
彭朝晖 PENG Zhao-hui ◽  
刘明伟 LIU Ming-wei

2003 ◽  
Vol 17 (07) ◽  
pp. 253-262 ◽  
Author(s):  
MAHMOUD ABDEL-ATY

In this essay we introduce a new Hamiltonian which represents the interaction between a three-level atom and a single electromagnetic field including arbitrary forms of nonlinearities of both the field and the intensity-dependent coupling. We derive an exact solution for the density operator of the system by means of which we study the field purity for the entangled state of the system. Also, the influences of the nonlinearities on the field purity and mean photon number are examined. Under the condition of an initial coherent field, the field purity shows the collapse-revival phenomenon. It is found that features of these phenomenon are sensitive to the changes of different kinds of the nonlinearities.


Laser Physics ◽  
2020 ◽  
Vol 30 (11) ◽  
pp. 115205
Author(s):  
Faisal H A Mathkoor ◽  
C H Raymond Ooi

2014 ◽  
Vol 24 (3) ◽  
pp. 503-518 ◽  
Author(s):  
Alexander Zeifman ◽  
Yacov Satin ◽  
Victor Korolev ◽  
Sergey Shorgin

Abstract We investigate a class of exponentially weakly ergodic inhomogeneous birth and death processes. We consider special transformations of the reduced intensity matrix of the process and obtain uniform (in time) error bounds of truncations. Our approach also guarantees that we can find limiting characteristics approximately with an arbitrarily fixed error. As an example, we obtain the respective bounds of the truncation error for an Mt/Mt/S queue for any number of servers S. Arbitrary intensity functions instead of periodic ones can be considered in the same manner.


2012 ◽  
Vol 19 (6) ◽  
pp. 062302 ◽  
Author(s):  
R. F. Álvarez-Estrada ◽  
I. Pastor ◽  
J. Guasp ◽  
F. Castejón

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