Quantum state transfer between two distant membranes

Quantum state transfer between two distant membranes
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两个遥远膜之间的量子态转移

DOI:
10.1088/0953-4075/48/18/185501
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发表时间:
2015-07
期刊:
Journal of Physics B: Atomic, Molecular and Optical Physics
影响因子:
--
通讯作者:
Xu, Jun
Xu, Jun
中科院分区:
其他
文献类型:
--
作者:
Rao, Shi;Hu, Xiangming;Li, Lingchao;Xu, Jun

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研究了腔场未达到稳态时耦合腔中两膜间的量子态转移。提出了三种不同的方案。第一种是基于双交换,即,两个集合腔模式中的一个首先与一个膜相互作用,然后与另一个膜相互作用。第二种方案是使用机械暗模,它从腔场中分离出来,并从一个机械模到另一个机械模动态演化。第三种方案依赖于具有相同连续集体腔模式的两个振荡器的相互作用。相比之下,第一种方案对机械热噪声的鲁棒性更强,第二种方案降低了腔体耗散,第三种方案结合了前两种方案的优点。
We investigate the quantum state transfer between two membranes in coupled cavities for the case before the cavity fields arrive at the steady state. Three different schemes are presented. The first one is based on the double swapping, i.e., one of the two collective cavity modes interacts with one membrane first and later with the other membrane. The second scheme is to use the mechanical dark mode, which decouples from the cavity fields and evolves adiabatically from one mechanical mode to the other. The third scheme depends on the interactions of the two oscillators with the same continuous, collective cavity mode. In comparison, the first scheme is more robust to the mechanical thermal noise, the second one depresses the cavity dissipation, and the third one merges the merits of the two former schemes.
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