Controllable operation for distant qubits in a two-dimensional quantum network

被引：13
|
作者：
Zhong, Z. -R. [1 ]
Lin, X. [1 ,2 ]
Zhang, B. [1 ]
Yang, Z. -B. [1 ,3 ]
机构：
[1] Fuzhou Univ, Dept Phys, Fuzhou 350002, Peoples R China
[2] Fujian Normal Univ, Sch Phys & Optoelect Technol, Fuzhou 350007, Peoples R China
[3] Univ Sci & Technol China, CAS, Key Lab Quantum Informat, Hefei 230026, Peoples R China
来源：
EUROPEAN PHYSICAL JOURNAL D | 2012年 / 66卷 / 12期
关键词：
ENTANGLEMENT; GENERATION;
D O I：
10.1140/epjd/e2012-30611-5
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a theoretical scheme to realize the coherent coupling of multiple atoms in a quantum network which is composed of a two-dimensional (2D) array of coupled cavities. In the scheme, the pairing off-resonant Raman transitions of different atoms, induced by the cavity modes and external fields, can lead to selective coupling between arbitrary atoms trapped in separated cavities. Based on this physical mechanism, quantum gates between any pair of qubits and parallel two-qubit operations can be performed in the 2D system. The scheme provides a new perspective for coherent manipulation of quantum systems in 2D quantum networks.
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页数：5
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