Quantum cloning based on iSWAP gate with nitrogen-vacancy centers in photonic crystal cavities

被引：3

作者：

Liu, A-Peng ^{[1
]}

Wen, Jing-Ji ^{[2
]}

Cheng, Liu-Yong ^{[3
]}

Su, Shi-Lei ^{[3
]}

Chen, Li ^{[4
]}

Wang, Hong-Fu ^{[1
]}

Zhang, Shou ^{[1
,3
]}

机构：

[1] Yanbian Univ, Coll Sci, Dept Phys, Yanji 133002, Jilin, Peoples R China

[2] Harbin Univ Commerce, Coll Fdn Sci, Harbin 150028, Heilongjiang, Peoples R China

[3] Harbin Inst Technol, Dept Phys, Harbin 150001, Heilongjiang, Peoples R China

[4] Changchun Univ, Sch Sci, Changchun 130022, Peoples R China

来源：

OPTICS COMMUNICATIONS | 2014年 / 333卷

基金：

中国国家自然科学基金;

关键词：

Nitrogen-vacancy center; Photonic crystal cavity; Cavity quantum electrodynamics; Quantum cloning; DIAMOND NANOCRYSTAL; IMPLEMENTATION; NETWORK; DESIGN; SCHEME; QUBIT;

D O I：

10.1016/j.optcom.2014.07.087

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

we propose a scheme for physical implementation for the optimal asymmetric (symmetric) 1 -> 2 universal quantum cloning, the optimal symmetric economical 1 -> 3 phase-covariant cloning and the optimal asymmetric (symmetric) real state cloning based on an iSWAP gate between separated nitrogen-vacancy (NV) centers embedded inphotonic crystal cavities. This two-qubit iSWAP gate is produced by the long-range interaction between two distributed NV centers mediated by the vacuum fields of the cavities. The analysis results show that our scheme is efficient and may be useful for scalable quantum information processing. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：187 / 192

页数：6

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