物理
量子纠缠
角动量
光子
旋涡
量子力学
量子光学
量子信息
量子
Atom(片上系统)
光学
计算机科学
嵌入式系统
标识
DOI:10.1142/s0217984923501105
摘要
In this paper, we proposed a new model controlling the quantum entropy in a four-level quantum system via optical vortex structure light. The four-wave mixing (FWM) processes in the medium cause it to become phase-dependent. Therefore, the degree of entanglement (DEM) can be controlled via relative phase between applied lights when the deriving light becomes plane wave. However, for optical vortex of the deriving light, the spatial control of the DEM is possible via orbital angular momentum (OAM) of light. Our findings may have potential applications in the OAM-dependent devices in quantum information science.
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