Controlling stationary one-way steering in a three-level atomic ensemble  

作　　者：彭洁 徐俊 刘华忠 赖章丽 Jie Peng;Jun Xu;Hua-Zhong Liu;Zhang-Li Lai(Department of Basic Courses,Wuhan Donghu University,Wuhan 430071,China;College of Physical Science and Technology,Central China Normal University,Wuhan 430079,China;College of Mathematics and Physics,Jinggangshan University,Ji'an 343009,China)

机构地区：[1]Department of Basic Courses,Wuhan Donghu University,Wuhan 430071,China [2]College of Physical Science and Technology,Central China Normal University,Wuhan 430079,China [3]College of Mathematics and Physics,Jinggangshan University,Ji'an 343009,China

出　　处：《Chinese Physics B》2023年第12期249-255,共7页中国物理B（英文版）

基　　金：Project supported by Wuhan Donghu University Youth Foundation of Natural science (Grant No. 2022dhzk009)。

摘　　要：We propose a scheme for establishing the stationary one-way quantum steering in a three-level Λ-type atomic ensemble. In our system, the cavity modes are generated from two atomic dipole-allowed transitions, which are in turn driven by two external classical fields. The atomic ensemble can act as an engineered reservoir to put two cavity modes into a squeezed state by two Bogoliubov dissipation pathways. When the damping rates of the two cavity modes are different,the steady-state one-way quantum steering of the intracavity and output fields is presented by adjusting the normalized detuning. The physical mechanism is analyzed based on a dressed state representation and Bogoliubov mode transformation.The achieved optical one-way quantum steering scheme has potential applications in quantum secret information sharing protocols.

关 键 词：one-way quantum steering ENTANGLEMENT quantum correlation reservoir-engineered method 

分 类 号：O413[理学—理论物理] O562[理学—物理]