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Motional entanglement for two trapped ions in cascaded optical cavities (4 pages)

Huajun Tan, G.-x. Li

Physical Review AJan 1, 20040 citations

Dynamics of Entanglement for Coherent Motional States of Two Trapped Ions in Cascaded Optical Cavities

Gao‐xiang Li, Zhang Fan, Shaoping Wu

We study the generation of an entangled motional coherent state of two distant ions trapped in two cascaded cavities, in which the motional mode of the each ion is coupled to the respective cavity field via a linear-mixing interaction. The master equation is solved analytically by using the characteristic function method. It is found that the generated entangled coherent state resulted from the initial preparation of an even coherent state is more robust than that from an odd coherent state under the dissipation of the cavity.We study the generation of an entangled motional coherent state of two distant ions trapped in two cascaded cavities, in which the motional mode of the each ion is coupled to the respective cavity field via a linear-mixing interaction. The master equation is solved analytically by using the characteristic function method. It is found that the generated entangled coherent state resulted from the initial preparation of an even coherent state is more robust than that from an odd coherent state under the dissipation of the cavity.

Chinese Physics LettersJan 30, 20063 citations

Motional entanglement for two trapped ions in cascaded optical cavities

Gao‐xiang Li, Huatang Tan, Shaoping Wu

The time-dependent characteristic function for the vibrational quanta of two ions separately trapped in two cascaded optical cavities is obtained analytically beyond the bad cavity limit, in which the motional mode of the ion in the first cavity is coupled to the cavity field via an effective parametric interaction and that of the ion in the second cavity via a linear-mixing interaction as proposed by Peng and Parkins [Phys. Rev. A 65, 062323 (2002)]. It is found that the two ions develop in a two-mode mixed Gaussian entangled state if there exists a unidirectional coupling from the first cavity to the second one.The time-dependent characteristic function for the vibrational quanta of two ions separately trapped in two cascaded optical cavities is obtained analytically beyond the bad cavity limit, in which the motional mode of the ion in the first cavity is coupled to the cavity field via an effective parametric interaction and that of the ion in the second cavity via a linear-mixing interaction as proposed by Peng and Parkins [Phys. Rev. A 65, 062323 (2002)]. It is found that the two ions develop in a two-mode mixed Gaussian entangled state if there exists a unidirectional coupling from the first cavity to the second one.

Physical Review ADec 21, 200417 citations

Coherently Controlled Periodic Entanglement of Two Moving Atoms in a Cavity

Cai, Xun-Ming, Ge +5 more

我们在一个洞分析二个原子的纠纷。当在洞的二个原子在起始的时间被修理时，二个原子的纠纷的发展是混乱的。然而，二个原子的纠纷的发展变得有健全规则在协调的洞地下面有序当原子在在开始的运动时。我们发现由适当地选择原子，和这块地的起始的状态的速度控制这件周期的纠纷是可能的。

理论物理通讯：英文版Jan 1, 20080 citations

Unconditional Generation of Two-mode Motional Entanglement for Two Ions Trapped in a Cavity

Gao-xiang, Li -

量子光学学报Jan 1, 20060 citations

Dynamical Properties of Two Coupled Dissipative QED Cavities Driven by Coherent Fields

Hou, Bang-Pin, Wang +4 more

当由协调的地驾驶的二个相同证完洞位于一致环境时，除了驱散，出现在二个洞之间的间接联合由背景地导致了。我们调查协调的地，驱散以及在系统的下列动态性质上的支离破碎的联合的效果：光子转移，可逆 decoherence，和量状态转，等等。我们发现在洞的光子不由于在洞和 enviroment 之间的集体联合完全漏进环境，并且光子由于支离破碎的联合与更少的与更多的光子从洞不可逆转地被转移到洞以便快在二个洞之中同等地分布式。协调删除在二个洞上抽增加吝啬的光子，补充可逆 decoherence 的复兴的大小，但是妨碍在二个洞之间的量状态转移。上述现象可以在量通讯和另外的基本的域发现应用。当由协调的地驾驶的二个相同证完洞位于一致环境时，除了驱散，出现在二个洞之间的间接联合由背景地导致了。我们调查协调的地，驱散以及在系统的下列动态性质上的支离破碎的联合的效果：光子转移，可逆 decoherence，和量状态转，等等。我们发现在洞的光子不由于在洞和 enviroment 之间的集体联合完全漏进环境，并且光子由于支离破碎的联合与更少的与更多的光子从洞不可逆转地被转移到洞以便快在二个洞之中同等地分布式。协调删除在二个洞上抽增加吝啬的光子，补充可逆 decoherence 的复兴的大小，但是妨碍在二个洞之间的量状态转移。上述现象可以在量通讯和另外的基本的域发现应用。

理论物理通讯：英文版Jan 1, 20070 citations

Dynamics of Entanglement for Coherent Motional States of Two Trapped Ions in Cascaded Optical Cavities

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